42498690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108971}}^1$

素因数の和:108994

約数の個数: 32

約数和(自身を含む): 109843776

約数和(自身を除く): 67345086

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 108971, 217942, 326913, 544855, 653826, 1089710, 1416623, 1634565, 2833246, 3269130, 4249869, 7083115, 8499738, 14166230, 21249345, 42498690]

約数ペア:

[(1, 42498690), (2, 21249345), (3, 14166230), (5, 8499738), (6, 7083115), (10, 4249869), (13, 3269130), (15, 2833246), (26, 1634565), (30, 1416623), (39, 1089710), (65, 653826), (78, 544855), (130, 326913), (195, 217942), (390, 108971)]