199521388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{40129}}^1$

素因数の和:40257

約数の個数: 24

約数和(自身を含む): 384284880

約数和(自身を除く): 184763492

約数列:

[1, 2, 4, 11, 22, 44, 113, 226, 452, 1243, 2486, 4972, 40129, 80258, 160516, 441419, 882838, 1765676, 4534577, 9069154, 18138308, 49880347, 99760694, 199521388]

約数ペア:

[(1, 199521388), (2, 99760694), (4, 49880347), (11, 18138308), (22, 9069154), (44, 4534577), (113, 1765676), (226, 882838), (452, 441419), (1243, 160516), (2486, 80258), (4972, 40129)]