161731908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{345581}}^1$

素因数の和:345604

約数の個数: 36

約数和(自身を含む): 440271468

約数和(自身を除く): 278539560

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 345581, 691162, 1036743, 1382324, 2073486, 3110229, 4146972, 4492553, 6220458, 8985106, 12440916, 13477659, 17970212, 26955318, 40432977, 53910636, 80865954, 161731908]

約数ペア:

[(1, 161731908), (2, 80865954), (3, 53910636), (4, 40432977), (6, 26955318), (9, 17970212), (12, 13477659), (13, 12440916), (18, 8985106), (26, 6220458), (36, 4492553), (39, 4146972), (52, 3110229), (78, 2073486), (117, 1382324), (156, 1036743), (234, 691162), (468, 345581)]