72920144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{1307}}^1$

素因数の和:1643

約数の個数: 40

約数和(自身を含む): 154731168

約数和(自身を除く): 81811024

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 317, 634, 1268, 1307, 2536, 2614, 3487, 5072, 5228, 6974, 10456, 13948, 14377, 20912, 27896, 28754, 55792, 57508, 115016, 230032, 414319, 828638, 1657276, 3314552, 4557509, 6629104, 9115018, 18230036, 36460072, 72920144]

約数ペア:

[(1, 72920144), (2, 36460072), (4, 18230036), (8, 9115018), (11, 6629104), (16, 4557509), (22, 3314552), (44, 1657276), (88, 828638), (176, 414319), (317, 230032), (634, 115016), (1268, 57508), (1307, 55792), (2536, 28754), (2614, 27896), (3487, 20912), (5072, 14377), (5228, 13948), (6974, 10456)]