71309968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{641}}^1$

素因数の和:1075

約数の個数: 40

約数和(自身を含む): 146876760

約数和(自身を除く): 75566792

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 409, 641, 818, 1282, 1636, 2564, 3272, 5128, 6544, 6953, 10256, 10897, 13906, 21794, 27812, 43588, 55624, 87176, 111248, 174352, 262169, 524338, 1048676, 2097352, 4194704, 4456873, 8913746, 17827492, 35654984, 71309968]

約数ペア:

[(1, 71309968), (2, 35654984), (4, 17827492), (8, 8913746), (16, 4456873), (17, 4194704), (34, 2097352), (68, 1048676), (136, 524338), (272, 262169), (409, 174352), (641, 111248), (818, 87176), (1282, 55624), (1636, 43588), (2564, 27812), (3272, 21794), (5128, 13906), (6544, 10897), (6953, 10256)]