128825116

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2$

素因数の和:140

約数の個数: 108

約数和(自身を含む): 296990064

約数和(自身を除く): 168164948

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 41, 46, 49, 68, 82, 92, 98, 119, 161, 164, 196, 238, 287, 322, 391, 476, 574, 644, 697, 782, 833, 943, 1127, 1148, 1394, 1564, 1666, 1681, 1886, 2009, 2254, 2737, 2788, 3332, 3362, 3772, 4018, 4508, 4879, 5474, 6601, 6724, 8036, 9758, 10948, 11767, 13202, 16031, 19159, 19516, 23534, 26404, 28577, 32062, 34153, 38318, 38663, 46207, 47068, 57154, 64124, 68306, 76636, 77326, 82369, 92414, 112217, 114308, 136612, 154652, 164738, 184828, 200039, 224434, 270641, 329476, 400078, 448868, 541282, 657271, 785519, 800156, 1082564, 1314542, 1400273, 1571038, 1894487, 2629084, 2800546, 3142076, 3788974, 4600897, 5601092, 7577948, 9201794, 18403588, 32206279, 64412558, 128825116]

約数ペア:

[(1, 128825116), (2, 64412558), (4, 32206279), (7, 18403588), (14, 9201794), (17, 7577948), (23, 5601092), (28, 4600897), (34, 3788974), (41, 3142076), (46, 2800546), (49, 2629084), (68, 1894487), (82, 1571038), (92, 1400273), (98, 1314542), (119, 1082564), (161, 800156), (164, 785519), (196, 657271), (238, 541282), (287, 448868), (322, 400078), (391, 329476), (476, 270641), (574, 224434), (644, 200039), (697, 184828), (782, 164738), (833, 154652), (943, 136612), (1127, 114308), (1148, 112217), (1394, 92414), (1564, 82369), (1666, 77326), (1681, 76636), (1886, 68306), (2009, 64124), (2254, 57154), (2737, 47068), (2788, 46207), (3332, 38663), (3362, 38318), (3772, 34153), (4018, 32062), (4508, 28577), (4879, 26404), (5474, 23534), (6601, 19516), (6724, 19159), (8036, 16031), (9758, 13202), (10948, 11767)]