81445312

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1847}}^1$

素因数の和:1925

約数の個数: 56

約数和(自身を含む): 177430176

約数和(自身を除く): 95984864

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 64, 104, 106, 208, 212, 416, 424, 689, 832, 848, 1378, 1696, 1847, 2756, 3392, 3694, 5512, 7388, 11024, 14776, 22048, 24011, 29552, 44096, 48022, 59104, 96044, 97891, 118208, 192088, 195782, 384176, 391564, 768352, 783128, 1272583, 1536704, 1566256, 2545166, 3132512, 5090332, 6265024, 10180664, 20361328, 40722656, 81445312]

約数ペア:

[(1, 81445312), (2, 40722656), (4, 20361328), (8, 10180664), (13, 6265024), (16, 5090332), (26, 3132512), (32, 2545166), (52, 1566256), (53, 1536704), (64, 1272583), (104, 783128), (106, 768352), (208, 391564), (212, 384176), (416, 195782), (424, 192088), (689, 118208), (832, 97891), (848, 96044), (1378, 59104), (1696, 48022), (1847, 44096), (2756, 29552), (3392, 24011), (3694, 22048), (5512, 14776), (7388, 11024)]