87761156

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 186885216

約数和(自身を除く): 99124060

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 67, 82, 98, 134, 163, 164, 196, 268, 287, 326, 469, 574, 652, 938, 1141, 1148, 1876, 2009, 2282, 2747, 3283, 4018, 4564, 5494, 6566, 6683, 7987, 8036, 10921, 10988, 13132, 13366, 15974, 19229, 21842, 26732, 31948, 38458, 43684, 46781, 76447, 76916, 93562, 134603, 152894, 187124, 269206, 305788, 327467, 447761, 535129, 538412, 654934, 895522, 1070258, 1309868, 1791044, 2140516, 3134327, 6268654, 12537308, 21940289, 43880578, 87761156]

約数ペア:

[(1, 87761156), (2, 43880578), (4, 21940289), (7, 12537308), (14, 6268654), (28, 3134327), (41, 2140516), (49, 1791044), (67, 1309868), (82, 1070258), (98, 895522), (134, 654934), (163, 538412), (164, 535129), (196, 447761), (268, 327467), (287, 305788), (326, 269206), (469, 187124), (574, 152894), (652, 134603), (938, 93562), (1141, 76916), (1148, 76447), (1876, 46781), (2009, 43684), (2282, 38458), (2747, 31948), (3283, 26732), (4018, 21842), (4564, 19229), (5494, 15974), (6566, 13366), (6683, 13132), (7987, 10988), (8036, 10921)]