64219984

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{347}}^1$

素因数の和:667

約数の個数: 40

約数和(自身を含む): 128161440

約数和(自身を除く): 63941456

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 269, 344, 347, 538, 688, 694, 1076, 1388, 2152, 2776, 4304, 5552, 11567, 14921, 23134, 29842, 46268, 59684, 92536, 93343, 119368, 185072, 186686, 238736, 373372, 746744, 1493488, 4013749, 8027498, 16054996, 32109992, 64219984]

約数ペア:

[(1, 64219984), (2, 32109992), (4, 16054996), (8, 8027498), (16, 4013749), (43, 1493488), (86, 746744), (172, 373372), (269, 238736), (344, 186686), (347, 185072), (538, 119368), (688, 93343), (694, 92536), (1076, 59684), (1388, 46268), (2152, 29842), (2776, 23134), (4304, 14921), (5552, 11567)]