78680628

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1889}}^1$

素因数の和:2001

約数の個数: 72

約数和(自身を含む): 216707400

約数和(自身を除く): 138026772

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 89, 117, 156, 178, 234, 267, 356, 468, 534, 801, 1068, 1157, 1602, 1889, 2314, 3204, 3471, 3778, 4628, 5667, 6942, 7556, 10413, 11334, 13884, 17001, 20826, 22668, 24557, 34002, 41652, 49114, 68004, 73671, 98228, 147342, 168121, 221013, 294684, 336242, 442026, 504363, 672484, 884052, 1008726, 1513089, 2017452, 2185573, 3026178, 4371146, 6052356, 6556719, 8742292, 13113438, 19670157, 26226876, 39340314, 78680628]

約数ペア:

[(1, 78680628), (2, 39340314), (3, 26226876), (4, 19670157), (6, 13113438), (9, 8742292), (12, 6556719), (13, 6052356), (18, 4371146), (26, 3026178), (36, 2185573), (39, 2017452), (52, 1513089), (78, 1008726), (89, 884052), (117, 672484), (156, 504363), (178, 442026), (234, 336242), (267, 294684), (356, 221013), (468, 168121), (534, 147342), (801, 98228), (1068, 73671), (1157, 68004), (1602, 49114), (1889, 41652), (2314, 34002), (3204, 24557), (3471, 22668), (3778, 20826), (4628, 17001), (5667, 13884), (6942, 11334), (7556, 10413)]