638446656

素因数分解:

$2^6\times 3^1\times {\mathrm{3325243}}^1$

素因数の和:3325258

約数の個数: 28

約数和(自身を含む): 1689223952

約数和(自身を除く): 1050777296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 3325243, 6650486, 9975729, 13300972, 19951458, 26601944, 39902916, 53203888, 79805832, 106407776, 159611664, 212815552, 319223328, 638446656]

約数ペア:

[(1, 638446656), (2, 319223328), (3, 212815552), (4, 159611664), (6, 106407776), (8, 79805832), (12, 53203888), (16, 39902916), (24, 26601944), (32, 19951458), (48, 13300972), (64, 9975729), (96, 6650486), (192, 3325243)]