31190148

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{997}}^1$

素因数の和:1097

約数の個数: 72

約数和(自身を含む): 87185280

約数和(自身を除く): 55995132

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 79, 99, 132, 158, 198, 237, 316, 396, 474, 711, 869, 948, 997, 1422, 1738, 1994, 2607, 2844, 2991, 3476, 3988, 5214, 5982, 7821, 8973, 10428, 10967, 11964, 15642, 17946, 21934, 31284, 32901, 35892, 43868, 65802, 78763, 98703, 131604, 157526, 197406, 236289, 315052, 394812, 472578, 708867, 866393, 945156, 1417734, 1732786, 2599179, 2835468, 3465572, 5198358, 7797537, 10396716, 15595074, 31190148]

約数ペア:

[(1, 31190148), (2, 15595074), (3, 10396716), (4, 7797537), (6, 5198358), (9, 3465572), (11, 2835468), (12, 2599179), (18, 1732786), (22, 1417734), (33, 945156), (36, 866393), (44, 708867), (66, 472578), (79, 394812), (99, 315052), (132, 236289), (158, 197406), (198, 157526), (237, 131604), (316, 98703), (396, 78763), (474, 65802), (711, 43868), (869, 35892), (948, 32901), (997, 31284), (1422, 21934), (1738, 17946), (1994, 15642), (2607, 11964), (2844, 10967), (2991, 10428), (3476, 8973), (3988, 7821), (5214, 5982)]