1256565904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{230309}}^1$

素因数の和:230359

約数の個数: 40

約数和(自身を含む): 2741610240

約数和(自身を除く): 1485044336

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 5456, 230309, 460618, 921236, 1842472, 2533399, 3684944, 5066798, 7139579, 10133596, 14279158, 20267192, 28558316, 40534384, 57116632, 78535369, 114233264, 157070738, 314141476, 628282952, 1256565904]

約数ペア:

[(1, 1256565904), (2, 628282952), (4, 314141476), (8, 157070738), (11, 114233264), (16, 78535369), (22, 57116632), (31, 40534384), (44, 28558316), (62, 20267192), (88, 14279158), (124, 10133596), (176, 7139579), (248, 5066798), (341, 3684944), (496, 2533399), (682, 1842472), (1364, 921236), (2728, 460618), (5456, 230309)]