128564748

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{274711}}^1$

素因数の和:274734

約数の個数: 36

約数和(自身を含む): 349983088

約数和(自身を除く): 221418340

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 274711, 549422, 824133, 1098844, 1648266, 2472399, 3296532, 3571243, 4944798, 7142486, 9889596, 10713729, 14284972, 21427458, 32141187, 42854916, 64282374, 128564748]

約数ペア:

[(1, 128564748), (2, 64282374), (3, 42854916), (4, 32141187), (6, 21427458), (9, 14284972), (12, 10713729), (13, 9889596), (18, 7142486), (26, 4944798), (36, 3571243), (39, 3296532), (52, 2472399), (78, 1648266), (117, 1098844), (156, 824133), (234, 549422), (468, 274711)]