16518970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4099}}^1$

素因数の和:4150

約数の個数: 32

約数和(自身を含む): 33062400

約数和(自身を除く): 16543430

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 4099, 8198, 20495, 40990, 53287, 106574, 127069, 254138, 266435, 532870, 635345, 1270690, 1651897, 3303794, 8259485, 16518970]

約数ペア:

[(1, 16518970), (2, 8259485), (5, 3303794), (10, 1651897), (13, 1270690), (26, 635345), (31, 532870), (62, 266435), (65, 254138), (130, 127069), (155, 106574), (310, 53287), (403, 40990), (806, 20495), (2015, 8198), (4030, 4099)]