1978494804

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5413}}^1$

素因数の和:5518

約数の個数: 144

約数和(自身を含む): 5959384704

約数和(自身を除く): 3980889900

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 71, 78, 99, 117, 132, 142, 143, 156, 198, 213, 234, 284, 286, 396, 426, 429, 468, 572, 639, 781, 852, 858, 923, 1278, 1287, 1562, 1716, 1846, 2343, 2556, 2574, 2769, 3124, 3692, 4686, 5148, 5413, 5538, 7029, 8307, 9372, 10153, 10826, 11076, 14058, 16239, 16614, 20306, 21652, 28116, 30459, 32478, 33228, 40612, 48717, 59543, 60918, 64956, 70369, 91377, 97434, 119086, 121836, 140738, 178629, 182754, 194868, 211107, 238172, 281476, 357258, 365508, 384323, 422214, 535887, 633321, 714516, 768646, 774059, 844428, 1071774, 1152969, 1266642, 1537292, 1548118, 2143548, 2305938, 2322177, 2533284, 3096236, 3458907, 4227553, 4611876, 4644354, 4996199, 6917814, 6966531, 8455106, 9288708, 9992398, 12682659, 13835628, 13933062, 14988597, 16910212, 19984796, 25365318, 27866124, 29977194, 38047977, 44965791, 50730636, 54958189, 59954388, 76095954, 89931582, 109916378, 152191908, 164874567, 179863164, 219832756, 329749134, 494623701, 659498268, 989247402, 1978494804]

約数ペア:

[(1, 1978494804), (2, 989247402), (3, 659498268), (4, 494623701), (6, 329749134), (9, 219832756), (11, 179863164), (12, 164874567), (13, 152191908), (18, 109916378), (22, 89931582), (26, 76095954), (33, 59954388), (36, 54958189), (39, 50730636), (44, 44965791), (52, 38047977), (66, 29977194), (71, 27866124), (78, 25365318), (99, 19984796), (117, 16910212), (132, 14988597), (142, 13933062), (143, 13835628), (156, 12682659), (198, 9992398), (213, 9288708), (234, 8455106), (284, 6966531), (286, 6917814), (396, 4996199), (426, 4644354), (429, 4611876), (468, 4227553), (572, 3458907), (639, 3096236), (781, 2533284), (852, 2322177), (858, 2305938), (923, 2143548), (1278, 1548118), (1287, 1537292), (1562, 1266642), (1716, 1152969), (1846, 1071774), (2343, 844428), (2556, 774059), (2574, 768646), (2769, 714516), (3124, 633321), (3692, 535887), (4686, 422214), (5148, 384323), (5413, 365508), (5538, 357258), (7029, 281476), (8307, 238172), (9372, 211107), (10153, 194868), (10826, 182754), (11076, 178629), (14058, 140738), (16239, 121836), (16614, 119086), (20306, 97434), (21652, 91377), (28116, 70369), (30459, 64956), (32478, 60918), (33228, 59543), (40612, 48717)]