681569486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{639371}}^1$

素因数の和:639427

約数の個数: 16

約数和(自身を含む): 1127852208

約数和(自身を除く): 446282722

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 639371, 1278742, 8311823, 16623646, 26214211, 52428422, 340784743, 681569486]

約数ペア:

[(1, 681569486), (2, 340784743), (13, 52428422), (26, 26214211), (41, 16623646), (82, 8311823), (533, 1278742), (1066, 639371)]