79881816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 239016960

約数和(自身を除く): 159135144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 71, 74, 84, 111, 142, 148, 168, 181, 213, 222, 259, 284, 296, 362, 426, 444, 497, 518, 543, 568, 724, 777, 852, 888, 994, 1036, 1086, 1267, 1448, 1491, 1554, 1704, 1988, 2072, 2172, 2534, 2627, 2982, 3108, 3801, 3976, 4344, 5068, 5254, 5964, 6216, 6697, 7602, 7881, 10136, 10508, 11928, 12851, 13394, 15204, 15762, 18389, 20091, 21016, 25702, 26788, 30408, 31524, 36778, 38553, 40182, 46879, 51404, 53576, 55167, 63048, 73556, 77106, 80364, 89957, 93758, 102808, 110334, 140637, 147112, 154212, 160728, 179914, 187516, 220668, 269871, 281274, 308424, 359828, 375032, 441336, 475487, 539742, 562548, 719656, 950974, 1079484, 1125096, 1426461, 1901948, 2158968, 2852922, 3328409, 3803896, 5705844, 6656818, 9985227, 11411688, 13313636, 19970454, 26627272, 39940908, 79881816]

約数ペア:

[(1, 79881816), (2, 39940908), (3, 26627272), (4, 19970454), (6, 13313636), (7, 11411688), (8, 9985227), (12, 6656818), (14, 5705844), (21, 3803896), (24, 3328409), (28, 2852922), (37, 2158968), (42, 1901948), (56, 1426461), (71, 1125096), (74, 1079484), (84, 950974), (111, 719656), (142, 562548), (148, 539742), (168, 475487), (181, 441336), (213, 375032), (222, 359828), (259, 308424), (284, 281274), (296, 269871), (362, 220668), (426, 187516), (444, 179914), (497, 160728), (518, 154212), (543, 147112), (568, 140637), (724, 110334), (777, 102808), (852, 93758), (888, 89957), (994, 80364), (1036, 77106), (1086, 73556), (1267, 63048), (1448, 55167), (1491, 53576), (1554, 51404), (1704, 46879), (1988, 40182), (2072, 38553), (2172, 36778), (2534, 31524), (2627, 30408), (2982, 26788), (3108, 25702), (3801, 21016), (3976, 20091), (4344, 18389), (5068, 15762), (5254, 15204), (5964, 13394), (6216, 12851), (6697, 11928), (7602, 10508), (7881, 10136)]