15398845

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 64

約数和(自身を含む): 25214976

約数和(自身を除く): 9816131

約数列:

[1, 5, 7, 11, 23, 35, 37, 47, 55, 77, 115, 161, 185, 235, 253, 259, 329, 385, 407, 517, 805, 851, 1081, 1265, 1295, 1645, 1739, 1771, 2035, 2585, 2849, 3619, 4255, 5405, 5957, 7567, 8695, 8855, 9361, 11891, 12173, 14245, 18095, 19129, 29785, 37835, 39997, 46805, 59455, 60865, 65527, 83237, 95645, 133903, 199985, 279979, 327635, 416185, 439967, 669515, 1399895, 2199835, 3079769, 15398845]

約数ペア:

[(1, 15398845), (5, 3079769), (7, 2199835), (11, 1399895), (23, 669515), (35, 439967), (37, 416185), (47, 327635), (55, 279979), (77, 199985), (115, 133903), (161, 95645), (185, 83237), (235, 65527), (253, 60865), (259, 59455), (329, 46805), (385, 39997), (407, 37835), (517, 29785), (805, 19129), (851, 18095), (1081, 14245), (1265, 12173), (1295, 11891), (1645, 9361), (1739, 8855), (1771, 8695), (2035, 7567), (2585, 5957), (2849, 5405), (3619, 4255)]