628473755

素因数分解:

$5^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{4027}}^1$

素因数の和:4073

約数の個数: 40

約数和(自身を含む): 947723952

約数和(自身を除く): 319250197

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 343, 455, 637, 1715, 2401, 3185, 4027, 4459, 12005, 20135, 22295, 28189, 31213, 52351, 140945, 156065, 197323, 261755, 366457, 986615, 1381261, 1832285, 2565199, 6906305, 9668827, 12825995, 17956393, 48344135, 89781965, 125694751, 628473755]

約数ペア:

[(1, 628473755), (5, 125694751), (7, 89781965), (13, 48344135), (35, 17956393), (49, 12825995), (65, 9668827), (91, 6906305), (245, 2565199), (343, 1832285), (455, 1381261), (637, 986615), (1715, 366457), (2401, 261755), (3185, 197323), (4027, 156065), (4459, 140945), (12005, 52351), (20135, 31213), (22295, 28189)]