25198251

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 12541269

約数列:

[1, 3, 13, 39, 47, 59, 141, 177, 233, 611, 699, 767, 1833, 2301, 2773, 3029, 8319, 9087, 10951, 13747, 32853, 36049, 41241, 108147, 142363, 178711, 427089, 536133, 646109, 1938327, 8399417, 25198251]

約数ペア:

[(1, 25198251), (3, 8399417), (13, 1938327), (39, 646109), (47, 536133), (59, 427089), (141, 178711), (177, 142363), (233, 108147), (611, 41241), (699, 36049), (767, 32853), (1833, 13747), (2301, 10951), (2773, 9087), (3029, 8319)]