78629994

素因数分解:

$2^1\times 3^3\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 179911680

約数和(自身を除く): 101281686

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 103, 134, 201, 206, 211, 309, 402, 422, 603, 618, 633, 927, 1206, 1266, 1809, 1854, 1899, 2781, 3618, 3798, 5562, 5697, 6901, 11394, 13802, 14137, 20703, 21733, 28274, 41406, 42411, 43466, 62109, 65199, 84822, 124218, 127233, 130398, 186327, 195597, 254466, 372654, 381699, 391194, 586791, 763398, 1173582, 1456111, 2912222, 4368333, 8736666, 13104999, 26209998, 39314997, 78629994]

約数ペア:

[(1, 78629994), (2, 39314997), (3, 26209998), (6, 13104999), (9, 8736666), (18, 4368333), (27, 2912222), (54, 1456111), (67, 1173582), (103, 763398), (134, 586791), (201, 391194), (206, 381699), (211, 372654), (309, 254466), (402, 195597), (422, 186327), (603, 130398), (618, 127233), (633, 124218), (927, 84822), (1206, 65199), (1266, 62109), (1809, 43466), (1854, 42411), (1899, 41406), (2781, 28274), (3618, 21733), (3798, 20703), (5562, 14137), (5697, 13802), (6901, 11394)]