31780084830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81487397}}^1$

素因数の和:81487420

約数の個数: 32

約数和(自身を含む): 82139297184

約数和(自身を除く): 50359212354

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 81487397, 162974794, 244462191, 407436985, 488924382, 814873970, 1059336161, 1222310955, 2118672322, 2444621910, 3178008483, 5296680805, 6356016966, 10593361610, 15890042415, 31780084830]

約数ペア:

[(1, 31780084830), (2, 15890042415), (3, 10593361610), (5, 6356016966), (6, 5296680805), (10, 3178008483), (13, 2444621910), (15, 2118672322), (26, 1222310955), (30, 1059336161), (39, 814873970), (65, 488924382), (78, 407436985), (130, 244462191), (195, 162974794), (390, 81487397)]