28911090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74131}}^1$

素因数の和:74154

約数の個数: 32

約数和(自身を含む): 74725056

約数和(自身を除く): 45813966

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 74131, 148262, 222393, 370655, 444786, 741310, 963703, 1111965, 1927406, 2223930, 2891109, 4818515, 5782218, 9637030, 14455545, 28911090]

約数ペア:

[(1, 28911090), (2, 14455545), (3, 9637030), (5, 5782218), (6, 4818515), (10, 2891109), (13, 2223930), (15, 1927406), (26, 1111965), (30, 963703), (39, 741310), (65, 444786), (78, 370655), (130, 222393), (195, 148262), (390, 74131)]