4899895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 8043840

約数和(自身を除く): 3143945

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 89, 91, 121, 143, 385, 445, 455, 605, 623, 715, 847, 979, 1001, 1157, 1573, 3115, 4235, 4895, 5005, 5785, 6853, 7865, 8099, 10769, 11011, 12727, 34265, 40495, 53845, 55055, 63635, 75383, 89089, 139997, 376915, 445445, 699985, 979979, 4899895]

約数ペア:

[(1, 4899895), (5, 979979), (7, 699985), (11, 445445), (13, 376915), (35, 139997), (55, 89089), (65, 75383), (77, 63635), (89, 55055), (91, 53845), (121, 40495), (143, 34265), (385, 12727), (445, 11011), (455, 10769), (605, 8099), (623, 7865), (715, 6853), (847, 5785), (979, 5005), (1001, 4895), (1157, 4235), (1573, 3115)]