191490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 495936

約数和(自身を除く): 304446

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 491, 982, 1473, 2455, 2946, 4910, 6383, 7365, 12766, 14730, 19149, 31915, 38298, 63830, 95745, 191490]

約数ペア:

[(1, 191490), (2, 95745), (3, 63830), (5, 38298), (6, 31915), (10, 19149), (13, 14730), (15, 12766), (26, 7365), (30, 6383), (39, 4910), (65, 2946), (78, 2455), (130, 1473), (195, 982), (390, 491)]