64089025

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{197}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 107832384

約数和(自身を除く): 43743359

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 169, 175, 197, 275, 325, 385, 455, 715, 845, 985, 1001, 1183, 1379, 1859, 1925, 2167, 2275, 2561, 3575, 4225, 4925, 5005, 5915, 6895, 9295, 10835, 12805, 13013, 15169, 17927, 25025, 28171, 29575, 33293, 34475, 46475, 54175, 64025, 65065, 75845, 89635, 140855, 166465, 197197, 233051, 325325, 366223, 379225, 448175, 704275, 832325, 985985, 1165255, 1831115, 2563561, 4929925, 5826275, 9155575, 12817805, 64089025]

約数ペア:

[(1, 64089025), (5, 12817805), (7, 9155575), (11, 5826275), (13, 4929925), (25, 2563561), (35, 1831115), (55, 1165255), (65, 985985), (77, 832325), (91, 704275), (143, 448175), (169, 379225), (175, 366223), (197, 325325), (275, 233051), (325, 197197), (385, 166465), (455, 140855), (715, 89635), (845, 75845), (985, 65065), (1001, 64025), (1183, 54175), (1379, 46475), (1859, 34475), (1925, 33293), (2167, 29575), (2275, 28171), (2561, 25025), (3575, 17927), (4225, 15169), (4925, 13013), (5005, 12805), (5915, 10835), (6895, 9295)]