1897129862875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{13117579}}^1$

素因数の和:13117696

約数の個数: 32

約数和(自身を含む): 2578391524800

約数和(自身を除く): 681261661925

約数列:

[1, 5, 13, 25, 65, 89, 125, 325, 445, 1157, 1625, 2225, 5785, 11125, 28925, 144625, 13117579, 65587895, 170528527, 327939475, 852642635, 1167464531, 1639697375, 4263213175, 5837322655, 15177038903, 21316065875, 29186613275, 75885194515, 145933066375, 379425972575, 1897129862875]

約数ペア:

[(1, 1897129862875), (5, 379425972575), (13, 145933066375), (25, 75885194515), (65, 29186613275), (89, 21316065875), (125, 15177038903), (325, 5837322655), (445, 4263213175), (1157, 1639697375), (1625, 1167464531), (2225, 852642635), (5785, 327939475), (11125, 170528527), (28925, 65587895), (144625, 13117579)]