1638586730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1\times {\mathrm{863}}^1$

素因数の和:1343

約数の個数: 64

約数和(自身を含む): 3307723776

約数和(自身を除く): 1669137046

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 421, 451, 842, 863, 902, 1726, 2105, 2255, 4210, 4315, 4510, 4631, 8630, 9262, 9493, 17261, 18986, 23155, 34522, 35383, 46310, 47465, 70766, 86305, 94930, 172610, 176915, 189871, 353830, 363323, 379742, 389213, 726646, 778426, 949355, 1816615, 1898710, 1946065, 3633230, 3892130, 3996553, 7993106, 14896243, 19982765, 29792486, 39965530, 74481215, 148962430, 163858673, 327717346, 819293365, 1638586730]

約数ペア:

[(1, 1638586730), (2, 819293365), (5, 327717346), (10, 163858673), (11, 148962430), (22, 74481215), (41, 39965530), (55, 29792486), (82, 19982765), (110, 14896243), (205, 7993106), (410, 3996553), (421, 3892130), (451, 3633230), (842, 1946065), (863, 1898710), (902, 1816615), (1726, 949355), (2105, 778426), (2255, 726646), (4210, 389213), (4315, 379742), (4510, 363323), (4631, 353830), (8630, 189871), (9262, 176915), (9493, 172610), (17261, 94930), (18986, 86305), (23155, 70766), (34522, 47465), (35383, 46310)]