201898697

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1997}}^1$

素因数の和:2129

約数の個数: 32

約数和(自身を含む): 273901824

約数和(自身を除く): 72003127

約数列:

[1, 7, 11, 13, 77, 91, 101, 143, 707, 1001, 1111, 1313, 1997, 7777, 9191, 13979, 14443, 21967, 25961, 101101, 153769, 181727, 201697, 285571, 1411879, 1998997, 2218667, 2622061, 15530669, 18354427, 28842671, 201898697]

約数ペア:

[(1, 201898697), (7, 28842671), (11, 18354427), (13, 15530669), (77, 2622061), (91, 2218667), (101, 1998997), (143, 1411879), (707, 285571), (1001, 201697), (1111, 181727), (1313, 153769), (1997, 101101), (7777, 25961), (9191, 21967), (13979, 14443)]