72167788

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:236

約数の個数: 108

約数和(自身を含む): 171937080

約数和(自身を除く): 99769292

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 49, 68, 77, 98, 119, 121, 154, 179, 187, 196, 238, 242, 308, 358, 374, 476, 484, 539, 716, 748, 833, 847, 1078, 1253, 1309, 1666, 1694, 1969, 2057, 2156, 2506, 2618, 3043, 3332, 3388, 3938, 4114, 5012, 5236, 5929, 6086, 7876, 8228, 8771, 9163, 11858, 12172, 13783, 14399, 17542, 18326, 21301, 21659, 23716, 27566, 28798, 33473, 35084, 36652, 42602, 43318, 55132, 57596, 66946, 85204, 86636, 96481, 100793, 133892, 149107, 151613, 192962, 201586, 234311, 298214, 303226, 368203, 385924, 403172, 468622, 596428, 606452, 736406, 937244, 1061291, 1472812, 1640177, 2122582, 2577421, 3280354, 4245164, 5154842, 6560708, 10309684, 18041947, 36083894, 72167788]

約数ペア:

[(1, 72167788), (2, 36083894), (4, 18041947), (7, 10309684), (11, 6560708), (14, 5154842), (17, 4245164), (22, 3280354), (28, 2577421), (34, 2122582), (44, 1640177), (49, 1472812), (68, 1061291), (77, 937244), (98, 736406), (119, 606452), (121, 596428), (154, 468622), (179, 403172), (187, 385924), (196, 368203), (238, 303226), (242, 298214), (308, 234311), (358, 201586), (374, 192962), (476, 151613), (484, 149107), (539, 133892), (716, 100793), (748, 96481), (833, 86636), (847, 85204), (1078, 66946), (1253, 57596), (1309, 55132), (1666, 43318), (1694, 42602), (1969, 36652), (2057, 35084), (2156, 33473), (2506, 28798), (2618, 27566), (3043, 23716), (3332, 21659), (3388, 21301), (3938, 18326), (4114, 17542), (5012, 14399), (5236, 13783), (5929, 12172), (6086, 11858), (7876, 9163), (8228, 8771)]