217721868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199379}}^1$

素因数の和:199406

約数の個数: 48

約数和(自身を含む): 625255680

約数和(自身を除く): 407533812

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 199379, 398758, 598137, 797516, 1196274, 1395653, 2392548, 2591927, 2791306, 4186959, 5183854, 5582612, 7775781, 8373918, 10367708, 15551562, 16747836, 18143489, 31103124, 36286978, 54430467, 72573956, 108860934, 217721868]

約数ペア:

[(1, 217721868), (2, 108860934), (3, 72573956), (4, 54430467), (6, 36286978), (7, 31103124), (12, 18143489), (13, 16747836), (14, 15551562), (21, 10367708), (26, 8373918), (28, 7775781), (39, 5582612), (42, 5183854), (52, 4186959), (78, 2791306), (84, 2591927), (91, 2392548), (156, 1395653), (182, 1196274), (273, 797516), (364, 598137), (546, 398758), (1092, 199379)]