2191428

素因数分解:

$2^2\times 3^3\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 5765760

約数和(自身を除く): 3574332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 103, 108, 197, 206, 309, 394, 412, 591, 618, 788, 927, 1182, 1236, 1773, 1854, 2364, 2781, 3546, 3708, 5319, 5562, 7092, 10638, 11124, 20291, 21276, 40582, 60873, 81164, 121746, 182619, 243492, 365238, 547857, 730476, 1095714, 2191428]

約数ペア:

[(1, 2191428), (2, 1095714), (3, 730476), (4, 547857), (6, 365238), (9, 243492), (12, 182619), (18, 121746), (27, 81164), (36, 60873), (54, 40582), (103, 21276), (108, 20291), (197, 11124), (206, 10638), (309, 7092), (394, 5562), (412, 5319), (591, 3708), (618, 3546), (788, 2781), (927, 2364), (1182, 1854), (1236, 1773)]