86961992

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 178271280

約数和(自身を除く): 91309288

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 131, 169, 262, 338, 491, 524, 676, 982, 1048, 1352, 1703, 1964, 3406, 3928, 6383, 6812, 12766, 13624, 22139, 25532, 44278, 51064, 64321, 82979, 88556, 128642, 165958, 177112, 257284, 331916, 514568, 663832, 836173, 1672346, 3344692, 6689384, 10870249, 21740498, 43480996, 86961992]

約数ペア:

[(1, 86961992), (2, 43480996), (4, 21740498), (8, 10870249), (13, 6689384), (26, 3344692), (52, 1672346), (104, 836173), (131, 663832), (169, 514568), (262, 331916), (338, 257284), (491, 177112), (524, 165958), (676, 128642), (982, 88556), (1048, 82979), (1352, 64321), (1703, 51064), (1964, 44278), (3406, 25532), (3928, 22139), (6383, 13624), (6812, 12766)]