28125804

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1543}}^1$

素因数の和:1595

約数の個数: 72

約数和(自身を含む): 78855168

約数和(自身を除く): 50729364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 84, 93, 98, 124, 147, 186, 196, 217, 294, 372, 434, 588, 651, 868, 1302, 1519, 1543, 2604, 3038, 3086, 4557, 4629, 6076, 6172, 9114, 9258, 10801, 18228, 18516, 21602, 32403, 43204, 47833, 64806, 75607, 95666, 129612, 143499, 151214, 191332, 226821, 286998, 302428, 334831, 453642, 573996, 669662, 907284, 1004493, 1339324, 2008986, 2343817, 4017972, 4687634, 7031451, 9375268, 14062902, 28125804]

約数ペア:

[(1, 28125804), (2, 14062902), (3, 9375268), (4, 7031451), (6, 4687634), (7, 4017972), (12, 2343817), (14, 2008986), (21, 1339324), (28, 1004493), (31, 907284), (42, 669662), (49, 573996), (62, 453642), (84, 334831), (93, 302428), (98, 286998), (124, 226821), (147, 191332), (186, 151214), (196, 143499), (217, 129612), (294, 95666), (372, 75607), (434, 64806), (588, 47833), (651, 43204), (868, 32403), (1302, 21602), (1519, 18516), (1543, 18228), (2604, 10801), (3038, 9258), (3086, 9114), (4557, 6172), (4629, 6076)]