2951390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 5818176

約数和(自身を除く): 2866786

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 311, 365, 622, 730, 949, 1555, 1898, 3110, 4043, 4745, 8086, 9490, 20215, 22703, 40430, 45406, 113515, 227030, 295139, 590278, 1475695, 2951390]

約数ペア:

[(1, 2951390), (2, 1475695), (5, 590278), (10, 295139), (13, 227030), (26, 113515), (65, 45406), (73, 40430), (130, 22703), (146, 20215), (311, 9490), (365, 8086), (622, 4745), (730, 4043), (949, 3110), (1555, 1898)]