1640458005

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{491}}^1\times {\mathrm{617}}^1$

素因数の和:1154

約数の個数: 48

約数和(自身を含む): 2780288064

約数和(自身を除く): 1139830059

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 491, 617, 1083, 1473, 1805, 1851, 2455, 3085, 5415, 7365, 9255, 9329, 11723, 27987, 35169, 46645, 58615, 139935, 175845, 177251, 222737, 302947, 531753, 668211, 886255, 908841, 1113685, 1514735, 2658765, 3341055, 4544205, 5755993, 17267979, 28779965, 86339895, 109363867, 328091601, 546819335, 1640458005]

約数ペア:

[(1, 1640458005), (3, 546819335), (5, 328091601), (15, 109363867), (19, 86339895), (57, 28779965), (95, 17267979), (285, 5755993), (361, 4544205), (491, 3341055), (617, 2658765), (1083, 1514735), (1473, 1113685), (1805, 908841), (1851, 886255), (2455, 668211), (3085, 531753), (5415, 302947), (7365, 222737), (9255, 177251), (9329, 175845), (11723, 139935), (27987, 58615), (35169, 46645)]