81124768

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1543}}^1$

素因数の和:1637

約数の個数: 48

約数和(自身を含む): 168086016

約数和(自身を除く): 86961248

約数列:

[1, 2, 4, 8, 16, 31, 32, 53, 62, 106, 124, 212, 248, 424, 496, 848, 992, 1543, 1643, 1696, 3086, 3286, 6172, 6572, 12344, 13144, 24688, 26288, 47833, 49376, 52576, 81779, 95666, 163558, 191332, 327116, 382664, 654232, 765328, 1308464, 1530656, 2535149, 2616928, 5070298, 10140596, 20281192, 40562384, 81124768]

約数ペア:

[(1, 81124768), (2, 40562384), (4, 20281192), (8, 10140596), (16, 5070298), (31, 2616928), (32, 2535149), (53, 1530656), (62, 1308464), (106, 765328), (124, 654232), (212, 382664), (248, 327116), (424, 191332), (496, 163558), (848, 95666), (992, 81779), (1543, 52576), (1643, 49376), (1696, 47833), (3086, 26288), (3286, 24688), (6172, 13144), (6572, 12344)]