1281291256

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{738071}}^1$

素因数の和:738115

約数の個数: 32

約数和(自身を含む): 2834196480

約数和(自身を除く): 1552905224

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 738071, 1476142, 2952284, 5166497, 5904568, 10332994, 20665988, 22880201, 41331976, 45760402, 91520804, 160161407, 183041608, 320322814, 640645628, 1281291256]

約数ペア:

[(1, 1281291256), (2, 640645628), (4, 320322814), (7, 183041608), (8, 160161407), (14, 91520804), (28, 45760402), (31, 41331976), (56, 22880201), (62, 20665988), (124, 10332994), (217, 5904568), (248, 5166497), (434, 2952284), (868, 1476142), (1736, 738071)]