1821321290

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{829}}^1\times {\mathrm{2647}}^1$

素因数の和:3566

約数の個数: 32

約数和(自身を含む): 3323134080

約数和(自身を除く): 1501812790

約数列:

[1, 2, 5, 10, 83, 166, 415, 829, 830, 1658, 2647, 4145, 5294, 8290, 13235, 26470, 68807, 137614, 219701, 344035, 439402, 688070, 1098505, 2194363, 2197010, 4388726, 10971815, 21943630, 182132129, 364264258, 910660645, 1821321290]

約数ペア:

[(1, 1821321290), (2, 910660645), (5, 364264258), (10, 182132129), (83, 21943630), (166, 10971815), (415, 4388726), (829, 2197010), (830, 2194363), (1658, 1098505), (2647, 688070), (4145, 439402), (5294, 344035), (8290, 219701), (13235, 137614), (26470, 68807)]