128120004

素因数分解:

$2^2\times 3^2\times {\mathrm{229}}^1\times {\mathrm{15541}}^1$

素因数の和:15780

約数の個数: 36

約数和(自身を含む): 325294060

約数和(自身を除く): 197174056

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 229, 458, 687, 916, 1374, 2061, 2748, 4122, 8244, 15541, 31082, 46623, 62164, 93246, 139869, 186492, 279738, 559476, 3558889, 7117778, 10676667, 14235556, 21353334, 32030001, 42706668, 64060002, 128120004]

約数ペア:

[(1, 128120004), (2, 64060002), (3, 42706668), (4, 32030001), (6, 21353334), (9, 14235556), (12, 10676667), (18, 7117778), (36, 3558889), (229, 559476), (458, 279738), (687, 186492), (916, 139869), (1374, 93246), (2061, 62164), (2748, 46623), (4122, 31082), (8244, 15541)]