155921968

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{661}}^1$

素因数の和:1333

約数の個数: 40

約数和(自身を含む): 316202976

約数和(自身を除く): 160281008

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 641, 661, 1282, 1322, 2564, 2644, 5128, 5288, 10256, 10576, 14743, 15203, 29486, 30406, 58972, 60812, 117944, 121624, 235888, 243248, 423701, 847402, 1694804, 3389608, 6779216, 9745123, 19490246, 38980492, 77960984, 155921968]

約数ペア:

[(1, 155921968), (2, 77960984), (4, 38980492), (8, 19490246), (16, 9745123), (23, 6779216), (46, 3389608), (92, 1694804), (184, 847402), (368, 423701), (641, 243248), (661, 235888), (1282, 121624), (1322, 117944), (2564, 60812), (2644, 58972), (5128, 30406), (5288, 29486), (10256, 15203), (10576, 14743)]