208960596

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{857}}^1$

素因数の和:1401

約数の個数: 72

約数和(自身を含む): 570594024

約数和(自身を除く): 361633428

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 521, 857, 1042, 1563, 1714, 2084, 2571, 3126, 3428, 4689, 5142, 6252, 6773, 7713, 9378, 10284, 11141, 13546, 15426, 18756, 20319, 22282, 27092, 30852, 33423, 40638, 44564, 60957, 66846, 81276, 100269, 121914, 133692, 200538, 243828, 401076, 446497, 892994, 1339491, 1785988, 2678982, 4018473, 5357964, 5804461, 8036946, 11608922, 16073892, 17413383, 23217844, 34826766, 52240149, 69653532, 104480298, 208960596]

約数ペア:

[(1, 208960596), (2, 104480298), (3, 69653532), (4, 52240149), (6, 34826766), (9, 23217844), (12, 17413383), (13, 16073892), (18, 11608922), (26, 8036946), (36, 5804461), (39, 5357964), (52, 4018473), (78, 2678982), (117, 1785988), (156, 1339491), (234, 892994), (468, 446497), (521, 401076), (857, 243828), (1042, 200538), (1563, 133692), (1714, 121914), (2084, 100269), (2571, 81276), (3126, 66846), (3428, 60957), (4689, 44564), (5142, 40638), (6252, 33423), (6773, 30852), (7713, 27092), (9378, 22282), (10284, 20319), (11141, 18756), (13546, 15426)]