7281690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18671}}^1$

素因数の和:18694

約数の個数: 32

約数和(自身を含む): 18821376

約数和(自身を除く): 11539686

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 18671, 37342, 56013, 93355, 112026, 186710, 242723, 280065, 485446, 560130, 728169, 1213615, 1456338, 2427230, 3640845, 7281690]

約数ペア:

[(1, 7281690), (2, 3640845), (3, 2427230), (5, 1456338), (6, 1213615), (10, 728169), (13, 560130), (15, 485446), (26, 280065), (30, 242723), (39, 186710), (65, 112026), (78, 93355), (130, 56013), (195, 37342), (390, 18671)]