621550655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{809}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 831643200

約数和(自身を除く): 210092545

約数列:

[1, 5, 11, 55, 61, 229, 305, 671, 809, 1145, 2519, 3355, 4045, 8899, 12595, 13969, 44495, 49349, 69845, 153659, 185261, 246745, 542839, 768295, 926305, 2037871, 2714195, 10189355, 11300921, 56504605, 124310131, 621550655]

約数ペア:

[(1, 621550655), (5, 124310131), (11, 56504605), (55, 11300921), (61, 10189355), (229, 2714195), (305, 2037871), (671, 926305), (809, 768295), (1145, 542839), (2519, 246745), (3355, 185261), (4045, 153659), (8899, 69845), (12595, 49349), (13969, 44495)]