31719090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81331}}^1$

素因数の和:81354

約数の個数: 32

約数和(自身を含む): 81982656

約数和(自身を除く): 50263566

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 81331, 162662, 243993, 406655, 487986, 813310, 1057303, 1219965, 2114606, 2439930, 3171909, 5286515, 6343818, 10573030, 15859545, 31719090]

約数ペア:

[(1, 31719090), (2, 15859545), (3, 10573030), (5, 6343818), (6, 5286515), (10, 3171909), (13, 2439930), (15, 2114606), (26, 1219965), (30, 1057303), (39, 813310), (65, 487986), (78, 406655), (130, 243993), (195, 162662), (390, 81331)]