91991312

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:484

約数の個数: 80

約数和(自身を含む): 216652800

約数和(自身を除く): 124661488

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 139, 152, 266, 278, 304, 311, 532, 556, 622, 973, 1064, 1112, 1244, 1946, 2128, 2177, 2224, 2488, 2641, 3892, 4354, 4976, 5282, 5909, 7784, 8708, 10564, 11818, 15568, 17416, 18487, 21128, 23636, 34832, 36974, 41363, 42256, 43229, 47272, 73948, 82726, 86458, 94544, 147896, 165452, 172916, 295792, 302603, 330904, 345832, 605206, 661808, 691664, 821351, 1210412, 1642702, 2420824, 3285404, 4841648, 5749457, 6570808, 11498914, 13141616, 22997828, 45995656, 91991312]

約数ペア:

[(1, 91991312), (2, 45995656), (4, 22997828), (7, 13141616), (8, 11498914), (14, 6570808), (16, 5749457), (19, 4841648), (28, 3285404), (38, 2420824), (56, 1642702), (76, 1210412), (112, 821351), (133, 691664), (139, 661808), (152, 605206), (266, 345832), (278, 330904), (304, 302603), (311, 295792), (532, 172916), (556, 165452), (622, 147896), (973, 94544), (1064, 86458), (1112, 82726), (1244, 73948), (1946, 47272), (2128, 43229), (2177, 42256), (2224, 41363), (2488, 36974), (2641, 34832), (3892, 23636), (4354, 21128), (4976, 18487), (5282, 17416), (5909, 15568), (7784, 11818), (8708, 10564)]