25798065

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 46227456

約数和(自身を除く): 20429391

約数列:

[1, 3, 5, 15, 23, 37, 43, 47, 69, 111, 115, 129, 141, 185, 215, 235, 345, 555, 645, 705, 851, 989, 1081, 1591, 1739, 2021, 2553, 2967, 3243, 4255, 4773, 4945, 5217, 5405, 6063, 7955, 8695, 10105, 12765, 14835, 16215, 23865, 26085, 30315, 36593, 39997, 46483, 74777, 109779, 119991, 139449, 182965, 199985, 224331, 232415, 373885, 548895, 599955, 697245, 1121655, 1719871, 5159613, 8599355, 25798065]

約数ペア:

[(1, 25798065), (3, 8599355), (5, 5159613), (15, 1719871), (23, 1121655), (37, 697245), (43, 599955), (47, 548895), (69, 373885), (111, 232415), (115, 224331), (129, 199985), (141, 182965), (185, 139449), (215, 119991), (235, 109779), (345, 74777), (555, 46483), (645, 39997), (705, 36593), (851, 30315), (989, 26085), (1081, 23865), (1591, 16215), (1739, 14835), (2021, 12765), (2553, 10105), (2967, 8695), (3243, 7955), (4255, 6063), (4773, 5405), (4945, 5217)]