72181888

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{18191}}^1$

素因数の和:18236

約数の個数: 32

約数和(自身を含む): 148446720

約数和(自身を除く): 76264832

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 18191, 36382, 72764, 145528, 291056, 563921, 582112, 1127842, 1164224, 2255684, 2328448, 4511368, 9022736, 18045472, 36090944, 72181888]

約数ペア:

[(1, 72181888), (2, 36090944), (4, 18045472), (8, 9022736), (16, 4511368), (31, 2328448), (32, 2255684), (62, 1164224), (64, 1127842), (124, 582112), (128, 563921), (248, 291056), (496, 145528), (992, 72764), (1984, 36382), (3968, 18191)]