22531990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{491}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 43890336

約数和(自身を除く): 21358346

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 353, 491, 706, 982, 1765, 2455, 3530, 4589, 4910, 6383, 9178, 12766, 22945, 31915, 45890, 63830, 173323, 346646, 866615, 1733230, 2253199, 4506398, 11265995, 22531990]

約数ペア:

[(1, 22531990), (2, 11265995), (5, 4506398), (10, 2253199), (13, 1733230), (26, 866615), (65, 346646), (130, 173323), (353, 63830), (491, 45890), (706, 31915), (982, 22945), (1765, 12766), (2455, 9178), (3530, 6383), (4589, 4910)]