218960586

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{2357}}^1$

素因数の和:2775

約数の個数: 48

約数和(自身を含む): 512412264

約数和(自身を除く): 293451678

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 397, 794, 1191, 2357, 2382, 3573, 4714, 5161, 7071, 7146, 10322, 14142, 15483, 21213, 30641, 30966, 42426, 46449, 61282, 91923, 92898, 183846, 275769, 551538, 935729, 1871458, 2807187, 5614374, 8421561, 12164477, 16843122, 24328954, 36493431, 72986862, 109480293, 218960586]

約数ペア:

[(1, 218960586), (2, 109480293), (3, 72986862), (6, 36493431), (9, 24328954), (13, 16843122), (18, 12164477), (26, 8421561), (39, 5614374), (78, 2807187), (117, 1871458), (234, 935729), (397, 551538), (794, 275769), (1191, 183846), (2357, 92898), (2382, 91923), (3573, 61282), (4714, 46449), (5161, 42426), (7071, 30966), (7146, 30641), (10322, 21213), (14142, 15483)]