31953090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81931}}^1$

素因数の和:81954

約数の個数: 32

約数和(自身を含む): 82587456

約数和(自身を除く): 50634366

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 81931, 163862, 245793, 409655, 491586, 819310, 1065103, 1228965, 2130206, 2457930, 3195309, 5325515, 6390618, 10651030, 15976545, 31953090]

約数ペア:

[(1, 31953090), (2, 15976545), (3, 10651030), (5, 6390618), (6, 5325515), (10, 3195309), (13, 2457930), (15, 2130206), (26, 1228965), (30, 1065103), (39, 819310), (65, 491586), (78, 409655), (130, 245793), (195, 163862), (390, 81931)]