129187828

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2243}}^1$

素因数の和:2293

約数の個数: 72

約数和(自身を含む): 300839616

約数和(自身を除く): 171651788

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 121, 154, 187, 238, 242, 308, 374, 476, 484, 748, 847, 1309, 1694, 2057, 2243, 2618, 3388, 4114, 4486, 5236, 8228, 8972, 14399, 15701, 24673, 28798, 31402, 38131, 49346, 57596, 62804, 76262, 98692, 152524, 172711, 266917, 271403, 345422, 419441, 533834, 542806, 690844, 838882, 1067668, 1085612, 1677764, 1899821, 2936087, 3799642, 4613851, 5872174, 7599284, 9227702, 11744348, 18455404, 32296957, 64593914, 129187828]

約数ペア:

[(1, 129187828), (2, 64593914), (4, 32296957), (7, 18455404), (11, 11744348), (14, 9227702), (17, 7599284), (22, 5872174), (28, 4613851), (34, 3799642), (44, 2936087), (68, 1899821), (77, 1677764), (119, 1085612), (121, 1067668), (154, 838882), (187, 690844), (238, 542806), (242, 533834), (308, 419441), (374, 345422), (476, 271403), (484, 266917), (748, 172711), (847, 152524), (1309, 98692), (1694, 76262), (2057, 62804), (2243, 57596), (2618, 49346), (3388, 38131), (4114, 31402), (4486, 28798), (5236, 24673), (8228, 15701), (8972, 14399)]