499687688

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{11699}}^1$

素因数の和:12005

約数の個数: 32

約数和(自身を含む): 989820000

約数和(自身を除く): 490132312

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 281, 562, 1124, 2248, 5339, 10678, 11699, 21356, 23398, 42712, 46796, 93592, 222281, 444562, 889124, 1778248, 3287419, 6574838, 13149676, 26299352, 62460961, 124921922, 249843844, 499687688]

約数ペア:

[(1, 499687688), (2, 249843844), (4, 124921922), (8, 62460961), (19, 26299352), (38, 13149676), (76, 6574838), (152, 3287419), (281, 1778248), (562, 889124), (1124, 444562), (2248, 222281), (5339, 93592), (10678, 46796), (11699, 42712), (21356, 23398)]