28807974

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{13679}}^1$

素因数の和:13706

約数の個数: 40

約数和(自身を含む): 69521760

約数和(自身を除く): 40713786

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 13679, 27358, 41037, 82074, 123111, 177827, 246222, 355654, 369333, 533481, 738666, 1066962, 1107999, 1600443, 2215998, 3200886, 4801329, 9602658, 14403987, 28807974]

約数ペア:

[(1, 28807974), (2, 14403987), (3, 9602658), (6, 4801329), (9, 3200886), (13, 2215998), (18, 1600443), (26, 1107999), (27, 1066962), (39, 738666), (54, 533481), (78, 369333), (81, 355654), (117, 246222), (162, 177827), (234, 123111), (351, 82074), (702, 41037), (1053, 27358), (2106, 13679)]