1640598928

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131627}}^1$

素因数の和:131695

約数の個数: 40

約数和(自身を含む): 3427593120

約数和(自身を除く): 1786994192

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 3116, 6232, 12464, 131627, 263254, 526508, 1053016, 2106032, 2500913, 5001826, 5396707, 10003652, 10793414, 20007304, 21586828, 40014608, 43173656, 86347312, 102537433, 205074866, 410149732, 820299464, 1640598928]

約数ペア:

[(1, 1640598928), (2, 820299464), (4, 410149732), (8, 205074866), (16, 102537433), (19, 86347312), (38, 43173656), (41, 40014608), (76, 21586828), (82, 20007304), (152, 10793414), (164, 10003652), (304, 5396707), (328, 5001826), (656, 2500913), (779, 2106032), (1558, 1053016), (3116, 526508), (6232, 263254), (12464, 131627)]