646416

素因数分解:

$2^4\times 3^2\times {\mathrm{67}}^2$

素因数の和:148

約数の個数: 45

約数和(自身を含む): 1836471

約数和(自身を除く): 1190055

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 67, 72, 134, 144, 201, 268, 402, 536, 603, 804, 1072, 1206, 1608, 2412, 3216, 4489, 4824, 8978, 9648, 13467, 17956, 26934, 35912, 40401, 53868, 71824, 80802, 107736, 161604, 215472, 323208, 646416]

約数ペア:

[(1, 646416), (2, 323208), (3, 215472), (4, 161604), (6, 107736), (8, 80802), (9, 71824), (12, 53868), (16, 40401), (18, 35912), (24, 26934), (36, 17956), (48, 13467), (67, 9648), (72, 8978), (134, 4824), (144, 4489), (201, 3216), (268, 2412), (402, 1608), (536, 1206), (603, 1072)]