1664705625

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{80713}}^1$

素因数の和:80747

約数の個数: 40

約数和(自身を含む): 3025806432

約数和(自身を除く): 1361100807

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 625, 825, 1375, 1875, 4125, 6875, 20625, 80713, 242139, 403565, 887843, 1210695, 2017825, 2663529, 4439215, 6053475, 10089125, 13317645, 22196075, 30267375, 50445625, 66588225, 110980375, 151336875, 332941125, 554901875, 1664705625]

約数ペア:

[(1, 1664705625), (3, 554901875), (5, 332941125), (11, 151336875), (15, 110980375), (25, 66588225), (33, 50445625), (55, 30267375), (75, 22196075), (125, 13317645), (165, 10089125), (275, 6053475), (375, 4439215), (625, 2663529), (825, 2017825), (1375, 1210695), (1875, 887843), (4125, 403565), (6875, 242139), (20625, 80713)]