78189678

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3391}}^1$

素因数の和:3470

約数の個数: 64

約数和(自身を含む): 201891840

約数和(自身を除く): 123702162

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 61, 63, 122, 126, 183, 189, 366, 378, 427, 549, 854, 1098, 1281, 1647, 2562, 3294, 3391, 3843, 6782, 7686, 10173, 11529, 20346, 23058, 23737, 30519, 47474, 61038, 71211, 91557, 142422, 183114, 206851, 213633, 413702, 427266, 620553, 640899, 1241106, 1281798, 1447957, 1861659, 2895914, 3723318, 4343871, 5584977, 8687742, 11169954, 13031613, 26063226, 39094839, 78189678]

約数ペア:

[(1, 78189678), (2, 39094839), (3, 26063226), (6, 13031613), (7, 11169954), (9, 8687742), (14, 5584977), (18, 4343871), (21, 3723318), (27, 2895914), (42, 1861659), (54, 1447957), (61, 1281798), (63, 1241106), (122, 640899), (126, 620553), (183, 427266), (189, 413702), (366, 213633), (378, 206851), (427, 183114), (549, 142422), (854, 91557), (1098, 71211), (1281, 61038), (1647, 47474), (2562, 30519), (3294, 23737), (3391, 23058), (3843, 20346), (6782, 11529), (7686, 10173)]