648538384

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1229}}^1$

素因数の和:1352

約数の個数: 80

約数和(自身を含む): 1409284800

約数和(自身を除く): 760746416

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 59, 86, 104, 118, 172, 208, 236, 344, 472, 559, 688, 767, 944, 1118, 1229, 1534, 2236, 2458, 2537, 3068, 4472, 4916, 5074, 6136, 8944, 9832, 10148, 12272, 15977, 19664, 20296, 31954, 32981, 40592, 52847, 63908, 65962, 72511, 105694, 127816, 131924, 145022, 211388, 255632, 263848, 290044, 422776, 527696, 580088, 687011, 845552, 942643, 1160176, 1374022, 1885286, 2748044, 3117973, 3770572, 5496088, 6235946, 7541144, 10992176, 12471892, 15082288, 24943784, 40533649, 49887568, 81067298, 162134596, 324269192, 648538384]

約数ペア:

[(1, 648538384), (2, 324269192), (4, 162134596), (8, 81067298), (13, 49887568), (16, 40533649), (26, 24943784), (43, 15082288), (52, 12471892), (59, 10992176), (86, 7541144), (104, 6235946), (118, 5496088), (172, 3770572), (208, 3117973), (236, 2748044), (344, 1885286), (472, 1374022), (559, 1160176), (688, 942643), (767, 845552), (944, 687011), (1118, 580088), (1229, 527696), (1534, 422776), (2236, 290044), (2458, 263848), (2537, 255632), (3068, 211388), (4472, 145022), (4916, 131924), (5074, 127816), (6136, 105694), (8944, 72511), (9832, 65962), (10148, 63908), (12272, 52847), (15977, 40592), (19664, 32981), (20296, 31954)]