254979972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{4159}}^1$

素因数の和:4313

約数の個数: 72

約数和(自身を含む): 699578880

約数和(自身を除く): 444598908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 131, 156, 234, 262, 393, 468, 524, 786, 1179, 1572, 1703, 2358, 3406, 4159, 4716, 5109, 6812, 8318, 10218, 12477, 15327, 16636, 20436, 24954, 30654, 37431, 49908, 54067, 61308, 74862, 108134, 149724, 162201, 216268, 324402, 486603, 544829, 648804, 973206, 1089658, 1634487, 1946412, 2179316, 3268974, 4903461, 6537948, 7082777, 9806922, 14165554, 19613844, 21248331, 28331108, 42496662, 63744993, 84993324, 127489986, 254979972]

約数ペア:

[(1, 254979972), (2, 127489986), (3, 84993324), (4, 63744993), (6, 42496662), (9, 28331108), (12, 21248331), (13, 19613844), (18, 14165554), (26, 9806922), (36, 7082777), (39, 6537948), (52, 4903461), (78, 3268974), (117, 2179316), (131, 1946412), (156, 1634487), (234, 1089658), (262, 973206), (393, 648804), (468, 544829), (524, 486603), (786, 324402), (1179, 216268), (1572, 162201), (1703, 149724), (2358, 108134), (3406, 74862), (4159, 61308), (4716, 54067), (5109, 49908), (6812, 37431), (8318, 30654), (10218, 24954), (12477, 20436), (15327, 16636)]