81152764

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1409}}^1$

素因数の和:1459

約数の個数: 72

約数和(自身を含む): 189030240

約数和(自身を除く): 107877476

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, 1409, 1694, 2057, 2618, 2818, 3388, 4114, 5236, 5636, 8228, 9863, 14399, 15499, 19726, 23953, 28798, 30998, 39452, 47906, 57596, 61996, 95812, 108493, 167671, 170489, 216986, 263483, 335342, 340978, 433972, 526966, 670684, 681956, 1053932, 1193423, 1844381, 2386846, 2898313, 3688762, 4773692, 5796626, 7377524, 11593252, 20288191, 40576382, 81152764]

約数ペア:

[(1, 81152764), (2, 40576382), (4, 20288191), (7, 11593252), (11, 7377524), (14, 5796626), (17, 4773692), (22, 3688762), (28, 2898313), (34, 2386846), (44, 1844381), (68, 1193423), (77, 1053932), (119, 681956), (121, 670684), (154, 526966), (187, 433972), (238, 340978), (242, 335342), (308, 263483), (374, 216986), (476, 170489), (484, 167671), (748, 108493), (847, 95812), (1309, 61996), (1409, 57596), (1694, 47906), (2057, 39452), (2618, 30998), (2818, 28798), (3388, 23953), (4114, 19726), (5236, 15499), (5636, 14399), (8228, 9863)]