205896990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{527941}}^1$

素因数の和:527964

約数の個数: 32

約数和(自身を含む): 532165536

約数和(自身を除く): 326268546

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 527941, 1055882, 1583823, 2639705, 3167646, 5279410, 6863233, 7919115, 13726466, 15838230, 20589699, 34316165, 41179398, 68632330, 102948495, 205896990]

約数ペア:

[(1, 205896990), (2, 102948495), (3, 68632330), (5, 41179398), (6, 34316165), (10, 20589699), (13, 15838230), (15, 13726466), (26, 7919115), (30, 6863233), (39, 5279410), (65, 3167646), (78, 2639705), (130, 1583823), (195, 1055882), (390, 527941)]