81428412

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:323

約数の個数: 96

約数和(自身を含む): 213875200

約数和(自身を除く): 132446788

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 61, 78, 86, 122, 129, 156, 172, 183, 199, 244, 258, 366, 398, 516, 559, 597, 732, 793, 796, 1118, 1194, 1586, 1677, 2236, 2379, 2388, 2587, 2623, 3172, 3354, 4758, 5174, 5246, 6708, 7761, 7869, 8557, 9516, 10348, 10492, 12139, 15522, 15738, 17114, 24278, 25671, 31044, 31476, 34099, 34228, 36417, 48556, 51342, 68198, 72834, 102297, 102684, 111241, 136396, 145668, 157807, 204594, 222482, 315614, 333723, 409188, 444964, 473421, 521977, 631228, 667446, 946842, 1043954, 1334892, 1565931, 1893684, 2087908, 3131862, 6263724, 6785701, 13571402, 20357103, 27142804, 40714206, 81428412]

約数ペア:

[(1, 81428412), (2, 40714206), (3, 27142804), (4, 20357103), (6, 13571402), (12, 6785701), (13, 6263724), (26, 3131862), (39, 2087908), (43, 1893684), (52, 1565931), (61, 1334892), (78, 1043954), (86, 946842), (122, 667446), (129, 631228), (156, 521977), (172, 473421), (183, 444964), (199, 409188), (244, 333723), (258, 315614), (366, 222482), (398, 204594), (516, 157807), (559, 145668), (597, 136396), (732, 111241), (793, 102684), (796, 102297), (1118, 72834), (1194, 68198), (1586, 51342), (1677, 48556), (2236, 36417), (2379, 34228), (2388, 34099), (2587, 31476), (2623, 31044), (3172, 25671), (3354, 24278), (4758, 17114), (5174, 15738), (5246, 15522), (6708, 12139), (7761, 10492), (7869, 10348), (8557, 9516)]