520033774

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 920989440

約数和(自身を除く): 400955666

約数列:

[1, 2, 13, 17, 26, 34, 53, 79, 106, 158, 221, 281, 442, 562, 689, 901, 1027, 1343, 1378, 1802, 2054, 2686, 3653, 4187, 4777, 7306, 8374, 9554, 11713, 14893, 17459, 22199, 23426, 29786, 34918, 44398, 54431, 62101, 71179, 108862, 124202, 142358, 193609, 253181, 288587, 377383, 387218, 506362, 577174, 754766, 925327, 1176547, 1850654, 2353094, 3291353, 4905979, 6582706, 9811958, 15295111, 20001299, 30590222, 40002598, 260016887, 520033774]

約数ペア:

[(1, 520033774), (2, 260016887), (13, 40002598), (17, 30590222), (26, 20001299), (34, 15295111), (53, 9811958), (79, 6582706), (106, 4905979), (158, 3291353), (221, 2353094), (281, 1850654), (442, 1176547), (562, 925327), (689, 754766), (901, 577174), (1027, 506362), (1343, 387218), (1378, 377383), (1802, 288587), (2054, 253181), (2686, 193609), (3653, 142358), (4187, 124202), (4777, 108862), (7306, 71179), (8374, 62101), (9554, 54431), (11713, 44398), (14893, 34918), (17459, 29786), (22199, 23426)]