285193727

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{619}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 361643520

約数和(自身を除く): 76449793

約数列:

[1, 7, 13, 61, 83, 91, 427, 581, 619, 793, 1079, 4333, 5063, 5551, 7553, 8047, 35441, 37759, 51377, 56329, 65819, 264313, 359639, 460733, 490867, 667901, 3133997, 3436069, 4675307, 21937979, 40741961, 285193727]

約数ペア:

[(1, 285193727), (7, 40741961), (13, 21937979), (61, 4675307), (83, 3436069), (91, 3133997), (427, 667901), (581, 490867), (619, 460733), (793, 359639), (1079, 264313), (4333, 65819), (5063, 56329), (5551, 51377), (7553, 37759), (8047, 35441)]