811341724

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{61}}^2\times {\mathrm{151}}^1$

素因数の和:315

約数の個数: 54

約数和(自身を含む): 1533567672

約数和(自身を除く): 722225948

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 151, 244, 302, 361, 604, 722, 1159, 1444, 2318, 2869, 3721, 4636, 5738, 7442, 9211, 11476, 14884, 18422, 22021, 36844, 44042, 54511, 70699, 88084, 109022, 141398, 175009, 218044, 282796, 350018, 561871, 700036, 1123742, 1343281, 2247484, 2686562, 3325171, 5373124, 6650342, 10675549, 13300684, 21351098, 42702196, 202835431, 405670862, 811341724]

約数ペア:

[(1, 811341724), (2, 405670862), (4, 202835431), (19, 42702196), (38, 21351098), (61, 13300684), (76, 10675549), (122, 6650342), (151, 5373124), (244, 3325171), (302, 2686562), (361, 2247484), (604, 1343281), (722, 1123742), (1159, 700036), (1444, 561871), (2318, 350018), (2869, 282796), (3721, 218044), (4636, 175009), (5738, 141398), (7442, 109022), (9211, 88084), (11476, 70699), (14884, 54511), (18422, 44042), (22021, 36844)]