28971930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74287}}^1$

素因数の和:74310

約数の個数: 32

約数和(自身を含む): 74882304

約数和(自身を除く): 45910374

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 74287, 148574, 222861, 371435, 445722, 742870, 965731, 1114305, 1931462, 2228610, 2897193, 4828655, 5794386, 9657310, 14485965, 28971930]

約数ペア:

[(1, 28971930), (2, 14485965), (3, 9657310), (5, 5794386), (6, 4828655), (10, 2897193), (13, 2228610), (15, 1931462), (26, 1114305), (30, 965731), (39, 742870), (65, 445722), (78, 371435), (130, 222861), (195, 148574), (390, 74287)]