131021892

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{691}}^1$

素因数の和:953

約数の個数: 72

約数和(自身を含む): 347605440

約数和(自身を除く): 216583548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 229, 276, 414, 458, 687, 691, 828, 916, 1374, 1382, 2061, 2073, 2748, 2764, 4122, 4146, 5267, 6219, 8244, 8292, 10534, 12438, 15801, 15893, 21068, 24876, 31602, 31786, 47403, 47679, 63204, 63572, 94806, 95358, 143037, 158239, 189612, 190716, 286074, 316478, 474717, 572148, 632956, 949434, 1424151, 1898868, 2848302, 3639497, 5696604, 7278994, 10918491, 14557988, 21836982, 32755473, 43673964, 65510946, 131021892]

約数ペア:

[(1, 131021892), (2, 65510946), (3, 43673964), (4, 32755473), (6, 21836982), (9, 14557988), (12, 10918491), (18, 7278994), (23, 5696604), (36, 3639497), (46, 2848302), (69, 1898868), (92, 1424151), (138, 949434), (207, 632956), (229, 572148), (276, 474717), (414, 316478), (458, 286074), (687, 190716), (691, 189612), (828, 158239), (916, 143037), (1374, 95358), (1382, 94806), (2061, 63572), (2073, 63204), (2748, 47679), (2764, 47403), (4122, 31786), (4146, 31602), (5267, 24876), (6219, 21068), (8244, 15893), (8292, 15801), (10534, 12438)]