640609296

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{430517}}^1$

素因数の和:430559

約数の個数: 40

約数和(自身を含む): 1708295424

約数和(自身を除く): 1067686128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 430517, 861034, 1291551, 1722068, 2583102, 3444136, 5166204, 6888272, 10332408, 13346027, 20664816, 26692054, 40038081, 53384108, 80076162, 106768216, 160152324, 213536432, 320304648, 640609296]

約数ペア:

[(1, 640609296), (2, 320304648), (3, 213536432), (4, 160152324), (6, 106768216), (8, 80076162), (12, 53384108), (16, 40038081), (24, 26692054), (31, 20664816), (48, 13346027), (62, 10332408), (93, 6888272), (124, 5166204), (186, 3444136), (248, 2583102), (372, 1722068), (496, 1291551), (744, 861034), (1488, 430517)]