28939170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74203}}^1$

素因数の和:74226

約数の個数: 32

約数和(自身を含む): 74797632

約数和(自身を除く): 45858462

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 74203, 148406, 222609, 371015, 445218, 742030, 964639, 1113045, 1929278, 2226090, 2893917, 4823195, 5787834, 9646390, 14469585, 28939170]

約数ペア:

[(1, 28939170), (2, 14469585), (3, 9646390), (5, 5787834), (6, 4823195), (10, 2893917), (13, 2226090), (15, 1929278), (26, 1113045), (30, 964639), (39, 742030), (65, 445218), (78, 371015), (130, 222609), (195, 148406), (390, 74203)]