990753608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{11923}}^1$

素因数の和:12006

約数の個数: 64

約数和(自身を含む): 2163490560

約数和(自身を除く): 1172736952

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 47, 52, 68, 94, 104, 136, 188, 221, 376, 442, 611, 799, 884, 1222, 1598, 1768, 2444, 3196, 4888, 6392, 10387, 11923, 20774, 23846, 41548, 47692, 83096, 95384, 154999, 202691, 309998, 405382, 560381, 619996, 810764, 1120762, 1239992, 1621528, 2241524, 2634983, 4483048, 5269966, 7284953, 9526477, 10539932, 14569906, 19052954, 21079864, 29139812, 38105908, 58279624, 76211816, 123844201, 247688402, 495376804, 990753608]

約数ペア:

[(1, 990753608), (2, 495376804), (4, 247688402), (8, 123844201), (13, 76211816), (17, 58279624), (26, 38105908), (34, 29139812), (47, 21079864), (52, 19052954), (68, 14569906), (94, 10539932), (104, 9526477), (136, 7284953), (188, 5269966), (221, 4483048), (376, 2634983), (442, 2241524), (611, 1621528), (799, 1239992), (884, 1120762), (1222, 810764), (1598, 619996), (1768, 560381), (2444, 405382), (3196, 309998), (4888, 202691), (6392, 154999), (10387, 95384), (11923, 83096), (20774, 47692), (23846, 41548)]