638066704

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{32083}}^1$

素因数の和:32215

約数の個数: 40

約数和(自身を含む): 1360618272

約数和(自身を除く): 722551568

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 113, 176, 226, 452, 904, 1243, 1808, 2486, 4972, 9944, 19888, 32083, 64166, 128332, 256664, 352913, 513328, 705826, 1411652, 2823304, 3625379, 5646608, 7250758, 14501516, 29003032, 39879169, 58006064, 79758338, 159516676, 319033352, 638066704]

約数ペア:

[(1, 638066704), (2, 319033352), (4, 159516676), (8, 79758338), (11, 58006064), (16, 39879169), (22, 29003032), (44, 14501516), (88, 7250758), (113, 5646608), (176, 3625379), (226, 2823304), (452, 1411652), (904, 705826), (1243, 513328), (1808, 352913), (2486, 256664), (4972, 128332), (9944, 64166), (19888, 32083)]