72031428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{285839}}^1$

素因数の和:285856

約数の個数: 36

約数和(自身を含む): 208091520

約数和(自身を除く): 136060092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 285839, 571678, 857517, 1143356, 1715034, 2000873, 2572551, 3430068, 4001746, 5145102, 6002619, 8003492, 10290204, 12005238, 18007857, 24010476, 36015714, 72031428]

約数ペア:

[(1, 72031428), (2, 36015714), (3, 24010476), (4, 18007857), (6, 12005238), (7, 10290204), (9, 8003492), (12, 6002619), (14, 5145102), (18, 4001746), (21, 3430068), (28, 2572551), (36, 2000873), (42, 1715034), (63, 1143356), (84, 857517), (126, 571678), (252, 285839)]