1285366888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{947}}^1$

素因数の和:1418

約数の個数: 64

約数和(自身を含む): 2688376320

約数和(自身を除く): 1403009432

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 421, 806, 842, 947, 1612, 1684, 1894, 3224, 3368, 3788, 5473, 7576, 10946, 12311, 13051, 21892, 24622, 26102, 29357, 43784, 49244, 52204, 58714, 98488, 104408, 117428, 169663, 234856, 339326, 381641, 398687, 678652, 763282, 797374, 1357304, 1526564, 1594748, 3053128, 3189496, 5182931, 10365862, 12359297, 20731724, 24718594, 41463448, 49437188, 98874376, 160670861, 321341722, 642683444, 1285366888]

約数ペア:

[(1, 1285366888), (2, 642683444), (4, 321341722), (8, 160670861), (13, 98874376), (26, 49437188), (31, 41463448), (52, 24718594), (62, 20731724), (104, 12359297), (124, 10365862), (248, 5182931), (403, 3189496), (421, 3053128), (806, 1594748), (842, 1526564), (947, 1357304), (1612, 797374), (1684, 763282), (1894, 678652), (3224, 398687), (3368, 381641), (3788, 339326), (5473, 234856), (7576, 169663), (10946, 117428), (12311, 104408), (13051, 98488), (21892, 58714), (24622, 52204), (26102, 49244), (29357, 43784)]