221564912

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{167}}^1\times {\mathrm{821}}^1$

素因数の和:1097

約数の個数: 40

約数和(自身を含む): 436659552

約数和(自身を除く): 215094640

約数列:

[1, 2, 4, 8, 16, 101, 167, 202, 334, 404, 668, 808, 821, 1336, 1616, 1642, 2672, 3284, 6568, 13136, 16867, 33734, 67468, 82921, 134936, 137107, 165842, 269872, 274214, 331684, 548428, 663368, 1096856, 1326736, 2193712, 13847807, 27695614, 55391228, 110782456, 221564912]

約数ペア:

[(1, 221564912), (2, 110782456), (4, 55391228), (8, 27695614), (16, 13847807), (101, 2193712), (167, 1326736), (202, 1096856), (334, 663368), (404, 548428), (668, 331684), (808, 274214), (821, 269872), (1336, 165842), (1616, 137107), (1642, 134936), (2672, 82921), (3284, 67468), (6568, 33734), (13136, 16867)]