66245390

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{829}}^1$

素因数の和:1028

約数の個数: 32

約数和(自身を含む): 122268960

約数和(自身を除く): 56023570

約数列:

[1, 2, 5, 10, 61, 122, 131, 262, 305, 610, 655, 829, 1310, 1658, 4145, 7991, 8290, 15982, 39955, 50569, 79910, 101138, 108599, 217198, 252845, 505690, 542995, 1085990, 6624539, 13249078, 33122695, 66245390]

約数ペア:

[(1, 66245390), (2, 33122695), (5, 13249078), (10, 6624539), (61, 1085990), (122, 542995), (131, 505690), (262, 252845), (305, 217198), (610, 108599), (655, 101138), (829, 79910), (1310, 50569), (1658, 39955), (4145, 15982), (7991, 8290)]