28164630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 73338048

約数和(自身を除く): 45173418

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 257, 281, 390, 514, 562, 771, 843, 1285, 1405, 1542, 1686, 2570, 2810, 3341, 3653, 3855, 4215, 6682, 7306, 7710, 8430, 10023, 10959, 16705, 18265, 20046, 21918, 33410, 36530, 50115, 54795, 72217, 100230, 109590, 144434, 216651, 361085, 433302, 722170, 938821, 1083255, 1877642, 2166510, 2816463, 4694105, 5632926, 9388210, 14082315, 28164630]

約数ペア:

[(1, 28164630), (2, 14082315), (3, 9388210), (5, 5632926), (6, 4694105), (10, 2816463), (13, 2166510), (15, 1877642), (26, 1083255), (30, 938821), (39, 722170), (65, 433302), (78, 361085), (130, 216651), (195, 144434), (257, 109590), (281, 100230), (390, 72217), (514, 54795), (562, 50115), (771, 36530), (843, 33410), (1285, 21918), (1405, 20046), (1542, 18265), (1686, 16705), (2570, 10959), (2810, 10023), (3341, 8430), (3653, 7710), (3855, 7306), (4215, 6682)]