28291432015

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1\times {\mathrm{2791}}^1$

素因数の和:3160

約数の個数: 64

約数和(自身を含む): 42900129792

約数和(自身を除く): 14608697777

約数列:

[1, 5, 7, 11, 35, 55, 77, 113, 233, 385, 565, 791, 1165, 1243, 1631, 2563, 2791, 3955, 6215, 8155, 8701, 12815, 13955, 17941, 19537, 26329, 30701, 43505, 89705, 97685, 131645, 153505, 184303, 214907, 289619, 315383, 650303, 921515, 1074535, 1448095, 1576915, 2027333, 2207681, 3251515, 3469213, 4552121, 7153333, 10136665, 11038405, 17346065, 22760605, 24284491, 35766665, 50073331, 73484239, 121422455, 250366655, 367421195, 514389673, 808326629, 2571948365, 4041633145, 5658286403, 28291432015]

約数ペア:

[(1, 28291432015), (5, 5658286403), (7, 4041633145), (11, 2571948365), (35, 808326629), (55, 514389673), (77, 367421195), (113, 250366655), (233, 121422455), (385, 73484239), (565, 50073331), (791, 35766665), (1165, 24284491), (1243, 22760605), (1631, 17346065), (2563, 11038405), (2791, 10136665), (3955, 7153333), (6215, 4552121), (8155, 3469213), (8701, 3251515), (12815, 2207681), (13955, 2027333), (17941, 1576915), (19537, 1448095), (26329, 1074535), (30701, 921515), (43505, 650303), (89705, 315383), (97685, 289619), (131645, 214907), (153505, 184303)]