78421356

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 225589728

約数和(自身を除く): 147168372

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 61, 67, 78, 82, 117, 122, 123, 134, 156, 164, 183, 201, 234, 244, 246, 268, 366, 369, 402, 468, 492, 533, 549, 603, 732, 738, 793, 804, 871, 1066, 1098, 1206, 1476, 1586, 1599, 1742, 2132, 2196, 2379, 2412, 2501, 2613, 2747, 3172, 3198, 3484, 4087, 4758, 4797, 5002, 5226, 5494, 6396, 7137, 7503, 7839, 8174, 8241, 9516, 9594, 10004, 10452, 10988, 12261, 14274, 15006, 15678, 16348, 16482, 19188, 22509, 24522, 24723, 28548, 30012, 31356, 32513, 32964, 35711, 36783, 45018, 49044, 49446, 53131, 65026, 71422, 73566, 90036, 97539, 98892, 106262, 107133, 130052, 142844, 147132, 159393, 167567, 195078, 212524, 214266, 292617, 318786, 321399, 335134, 390156, 428532, 478179, 502701, 585234, 637572, 642798, 670268, 956358, 1005402, 1170468, 1285596, 1508103, 1912716, 2010804, 2178371, 3016206, 4356742, 6032412, 6535113, 8713484, 13070226, 19605339, 26140452, 39210678, 78421356]

約数ペア:

[(1, 78421356), (2, 39210678), (3, 26140452), (4, 19605339), (6, 13070226), (9, 8713484), (12, 6535113), (13, 6032412), (18, 4356742), (26, 3016206), (36, 2178371), (39, 2010804), (41, 1912716), (52, 1508103), (61, 1285596), (67, 1170468), (78, 1005402), (82, 956358), (117, 670268), (122, 642798), (123, 637572), (134, 585234), (156, 502701), (164, 478179), (183, 428532), (201, 390156), (234, 335134), (244, 321399), (246, 318786), (268, 292617), (366, 214266), (369, 212524), (402, 195078), (468, 167567), (492, 159393), (533, 147132), (549, 142844), (603, 130052), (732, 107133), (738, 106262), (793, 98892), (804, 97539), (871, 90036), (1066, 73566), (1098, 71422), (1206, 65026), (1476, 53131), (1586, 49446), (1599, 49044), (1742, 45018), (2132, 36783), (2196, 35711), (2379, 32964), (2412, 32513), (2501, 31356), (2613, 30012), (2747, 28548), (3172, 24723), (3198, 24522), (3484, 22509), (4087, 19188), (4758, 16482), (4797, 16348), (5002, 15678), (5226, 15006), (5494, 14274), (6396, 12261), (7137, 10988), (7503, 10452), (7839, 10004), (8174, 9594), (8241, 9516)]