818244310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1289}}^1$

素因数の和:1585

約数の個数: 64

約数和(自身を含む): 1677412800

約数和(自身を除く): 859168490

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 257, 494, 514, 1235, 1285, 1289, 2470, 2570, 2578, 3341, 4883, 6445, 6682, 9766, 12890, 16705, 16757, 24415, 24491, 33410, 33514, 48830, 48982, 63479, 83785, 122455, 126958, 167570, 244910, 317395, 318383, 331273, 634790, 636766, 662546, 1591915, 1656365, 3183830, 3312730, 4306549, 6294187, 8613098, 12588374, 21532745, 31470935, 43065490, 62941870, 81824431, 163648862, 409122155, 818244310]

約数ペア:

[(1, 818244310), (2, 409122155), (5, 163648862), (10, 81824431), (13, 62941870), (19, 43065490), (26, 31470935), (38, 21532745), (65, 12588374), (95, 8613098), (130, 6294187), (190, 4306549), (247, 3312730), (257, 3183830), (494, 1656365), (514, 1591915), (1235, 662546), (1285, 636766), (1289, 634790), (2470, 331273), (2570, 318383), (2578, 317395), (3341, 244910), (4883, 167570), (6445, 126958), (6682, 122455), (9766, 83785), (12890, 63479), (16705, 48982), (16757, 48830), (24415, 33514), (24491, 33410)]