78778830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{201997}}^1$

素因数の和:202020

約数の個数: 32

約数和(自身を含む): 203613984

約数和(自身を除く): 124835154

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 201997, 403994, 605991, 1009985, 1211982, 2019970, 2625961, 3029955, 5251922, 6059910, 7877883, 13129805, 15755766, 26259610, 39389415, 78778830]

約数ペア:

[(1, 78778830), (2, 39389415), (3, 26259610), (5, 15755766), (6, 13129805), (10, 7877883), (13, 6059910), (15, 5251922), (26, 3029955), (30, 2625961), (39, 2019970), (65, 1211982), (78, 1009985), (130, 605991), (195, 403994), (390, 201997)]