256421976

素因数分解:

$2^3\times 3^1\times {\mathrm{181}}^1\times {\mathrm{59029}}^1$

素因数の和:59219

約数の個数: 32

約数和(自身を含む): 644607600

約数和(自身を除く): 388185624

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 181, 362, 543, 724, 1086, 1448, 2172, 4344, 59029, 118058, 177087, 236116, 354174, 472232, 708348, 1416696, 10684249, 21368498, 32052747, 42736996, 64105494, 85473992, 128210988, 256421976]

約数ペア:

[(1, 256421976), (2, 128210988), (3, 85473992), (4, 64105494), (6, 42736996), (8, 32052747), (12, 21368498), (24, 10684249), (181, 1416696), (362, 708348), (543, 472232), (724, 354174), (1086, 236116), (1448, 177087), (2172, 118058), (4344, 59029)]