668879498

素因数分解:

$2^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 1227571200

約数和(自身を除く): 558691702

約数列:

[1, 2, 7, 14, 31, 49, 62, 71, 98, 142, 217, 343, 434, 443, 497, 686, 886, 994, 1519, 2201, 3038, 3101, 3479, 4402, 6202, 6958, 10633, 13733, 15407, 21266, 21707, 24353, 27466, 30814, 31453, 43414, 48706, 62906, 96131, 107849, 151949, 192262, 215698, 220171, 303898, 440342, 672917, 754943, 975043, 1345834, 1509886, 1541197, 1950086, 3082394, 4710419, 6825301, 9420838, 10788379, 13650602, 21576758, 47777107, 95554214, 334439749, 668879498]

約数ペア:

[(1, 668879498), (2, 334439749), (7, 95554214), (14, 47777107), (31, 21576758), (49, 13650602), (62, 10788379), (71, 9420838), (98, 6825301), (142, 4710419), (217, 3082394), (343, 1950086), (434, 1541197), (443, 1509886), (497, 1345834), (686, 975043), (886, 754943), (994, 672917), (1519, 440342), (2201, 303898), (3038, 220171), (3101, 215698), (3479, 192262), (4402, 151949), (6202, 107849), (6958, 96131), (10633, 62906), (13733, 48706), (15407, 43414), (21266, 31453), (21707, 30814), (24353, 27466)]