138971216

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{227}}^1\times {\mathrm{461}}^1$

素因数の和:779

約数の個数: 40

約数和(自身を含む): 274294944

約数和(自身を除く): 135323728

約数列:

[1, 2, 4, 8, 16, 83, 166, 227, 332, 454, 461, 664, 908, 922, 1328, 1816, 1844, 3632, 3688, 7376, 18841, 37682, 38263, 75364, 76526, 104647, 150728, 153052, 209294, 301456, 306104, 418588, 612208, 837176, 1674352, 8685701, 17371402, 34742804, 69485608, 138971216]

約数ペア:

[(1, 138971216), (2, 69485608), (4, 34742804), (8, 17371402), (16, 8685701), (83, 1674352), (166, 837176), (227, 612208), (332, 418588), (454, 306104), (461, 301456), (664, 209294), (908, 153052), (922, 150728), (1328, 104647), (1816, 76526), (1844, 75364), (3632, 38263), (3688, 37682), (7376, 18841)]