81465904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23039}}^1$

素因数の和:23077

約数の個数: 40

約数和(自身を含む): 179988480

約数和(自身を除く): 98522576

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 23039, 46078, 92156, 184312, 299507, 368624, 391663, 599014, 783326, 1198028, 1566652, 2396056, 3133304, 4792112, 5091619, 6266608, 10183238, 20366476, 40732952, 81465904]

約数ペア:

[(1, 81465904), (2, 40732952), (4, 20366476), (8, 10183238), (13, 6266608), (16, 5091619), (17, 4792112), (26, 3133304), (34, 2396056), (52, 1566652), (68, 1198028), (104, 783326), (136, 599014), (208, 391663), (221, 368624), (272, 299507), (442, 184312), (884, 92156), (1768, 46078), (3536, 23039)]