31980876

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 85800960

約数和(自身を除く): 53820084

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 37, 38, 51, 57, 68, 74, 76, 102, 111, 114, 148, 204, 222, 223, 228, 323, 444, 446, 629, 646, 669, 703, 892, 969, 1258, 1292, 1338, 1406, 1887, 1938, 2109, 2516, 2676, 2812, 3774, 3791, 3876, 4218, 4237, 7548, 7582, 8251, 8436, 8474, 11373, 11951, 12711, 15164, 16502, 16948, 22746, 23902, 24753, 25422, 33004, 35853, 45492, 47804, 49506, 50844, 71706, 72029, 99012, 140267, 143412, 144058, 156769, 216087, 280534, 288116, 313538, 420801, 432174, 470307, 561068, 627076, 841602, 864348, 940614, 1683204, 1881228, 2665073, 5330146, 7995219, 10660292, 15990438, 31980876]

約数ペア:

[(1, 31980876), (2, 15990438), (3, 10660292), (4, 7995219), (6, 5330146), (12, 2665073), (17, 1881228), (19, 1683204), (34, 940614), (37, 864348), (38, 841602), (51, 627076), (57, 561068), (68, 470307), (74, 432174), (76, 420801), (102, 313538), (111, 288116), (114, 280534), (148, 216087), (204, 156769), (222, 144058), (223, 143412), (228, 140267), (323, 99012), (444, 72029), (446, 71706), (629, 50844), (646, 49506), (669, 47804), (703, 45492), (892, 35853), (969, 33004), (1258, 25422), (1292, 24753), (1338, 23902), (1406, 22746), (1887, 16948), (1938, 16502), (2109, 15164), (2516, 12711), (2676, 11951), (2812, 11373), (3774, 8474), (3791, 8436), (3876, 8251), (4218, 7582), (4237, 7548)]