71978725

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1091}}^1$

素因数の和:1150

約数の個数: 48

約数和(自身を含む): 113742720

約数和(自身を除く): 41763995

約数列:

[1, 5, 7, 13, 25, 29, 35, 65, 91, 145, 175, 203, 325, 377, 455, 725, 1015, 1091, 1885, 2275, 2639, 5075, 5455, 7637, 9425, 13195, 14183, 27275, 31639, 38185, 65975, 70915, 99281, 158195, 190925, 221473, 354575, 411307, 496405, 790975, 1107365, 2056535, 2482025, 2879149, 5536825, 10282675, 14395745, 71978725]

約数ペア:

[(1, 71978725), (5, 14395745), (7, 10282675), (13, 5536825), (25, 2879149), (29, 2482025), (35, 2056535), (65, 1107365), (91, 790975), (145, 496405), (175, 411307), (203, 354575), (325, 221473), (377, 190925), (455, 158195), (725, 99281), (1015, 70915), (1091, 65975), (1885, 38185), (2275, 31639), (2639, 27275), (5075, 14183), (5455, 13195), (7637, 9425)]