219977478

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:427

約数の個数: 128

約数和(自身を含む): 595584000

約数和(自身を除く): 375606522

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 109, 114, 126, 133, 171, 189, 218, 266, 281, 327, 342, 378, 399, 513, 562, 654, 763, 798, 843, 981, 1026, 1197, 1526, 1686, 1962, 1967, 2071, 2289, 2394, 2529, 2943, 3591, 3934, 4142, 4578, 5058, 5339, 5886, 5901, 6213, 6867, 7182, 7587, 10678, 11802, 12426, 13734, 14497, 15174, 16017, 17703, 18639, 20601, 28994, 30629, 32034, 35406, 37278, 37373, 41202, 43491, 48051, 53109, 55917, 61258, 74746, 86982, 91887, 96102, 106218, 111834, 112119, 130473, 144153, 183774, 214403, 224238, 260946, 275661, 288306, 336357, 391419, 428806, 551322, 581951, 643209, 672714, 782838, 826983, 1009071, 1163902, 1286418, 1653966, 1745853, 1929627, 2018142, 3491706, 3859254, 4073657, 5237559, 5788881, 8147314, 10475118, 11577762, 12220971, 15712677, 24441942, 31425354, 36662913, 73325826, 109988739, 219977478]

約数ペア:

[(1, 219977478), (2, 109988739), (3, 73325826), (6, 36662913), (7, 31425354), (9, 24441942), (14, 15712677), (18, 12220971), (19, 11577762), (21, 10475118), (27, 8147314), (38, 5788881), (42, 5237559), (54, 4073657), (57, 3859254), (63, 3491706), (109, 2018142), (114, 1929627), (126, 1745853), (133, 1653966), (171, 1286418), (189, 1163902), (218, 1009071), (266, 826983), (281, 782838), (327, 672714), (342, 643209), (378, 581951), (399, 551322), (513, 428806), (562, 391419), (654, 336357), (763, 288306), (798, 275661), (843, 260946), (981, 224238), (1026, 214403), (1197, 183774), (1526, 144153), (1686, 130473), (1962, 112119), (1967, 111834), (2071, 106218), (2289, 96102), (2394, 91887), (2529, 86982), (2943, 74746), (3591, 61258), (3934, 55917), (4142, 53109), (4578, 48051), (5058, 43491), (5339, 41202), (5886, 37373), (5901, 37278), (6213, 35406), (6867, 32034), (7182, 30629), (7587, 28994), (10678, 20601), (11802, 18639), (12426, 17703), (13734, 16017), (14497, 15174)]