64491778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2753}}^1$

素因数の和:2838

約数の個数: 32

約数和(自身を含む): 112429296

約数和(自身を除く): 47937518

約数列:

[1, 2, 13, 17, 26, 34, 53, 106, 221, 442, 689, 901, 1378, 1802, 2753, 5506, 11713, 23426, 35789, 46801, 71578, 93602, 145909, 291818, 608413, 1216826, 1896817, 2480453, 3793634, 4960906, 32245889, 64491778]

約数ペア:

[(1, 64491778), (2, 32245889), (13, 4960906), (17, 3793634), (26, 2480453), (34, 1896817), (53, 1216826), (106, 608413), (221, 291818), (442, 145909), (689, 93602), (901, 71578), (1378, 46801), (1802, 35789), (2753, 23426), (5506, 11713)]