178973964

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{13187}}^1$

素因数の和:13239

約数の個数: 72

約数和(自身を含む): 504045360

約数和(自身を除く): 325071396

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 78, 87, 116, 117, 156, 174, 234, 261, 348, 377, 468, 522, 754, 1044, 1131, 1508, 2262, 3393, 4524, 6786, 13187, 13572, 26374, 39561, 52748, 79122, 118683, 158244, 171431, 237366, 342862, 382423, 474732, 514293, 685724, 764846, 1028586, 1147269, 1529692, 1542879, 2057172, 2294538, 3085758, 3441807, 4589076, 4971499, 6171516, 6883614, 9942998, 13767228, 14914497, 19885996, 29828994, 44743491, 59657988, 89486982, 178973964]

約数ペア:

[(1, 178973964), (2, 89486982), (3, 59657988), (4, 44743491), (6, 29828994), (9, 19885996), (12, 14914497), (13, 13767228), (18, 9942998), (26, 6883614), (29, 6171516), (36, 4971499), (39, 4589076), (52, 3441807), (58, 3085758), (78, 2294538), (87, 2057172), (116, 1542879), (117, 1529692), (156, 1147269), (174, 1028586), (234, 764846), (261, 685724), (348, 514293), (377, 474732), (468, 382423), (522, 342862), (754, 237366), (1044, 171431), (1131, 158244), (1508, 118683), (2262, 79122), (3393, 52748), (4524, 39561), (6786, 26374), (13187, 13572)]