641609688

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{13759}}^1$

素因数の和:13864

約数の個数: 64

約数和(自身を含む): 1684224000

約数和(自身を除く): 1042614312

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 67, 87, 116, 134, 174, 201, 232, 268, 348, 402, 536, 696, 804, 1608, 1943, 3886, 5829, 7772, 11658, 13759, 15544, 23316, 27518, 41277, 46632, 55036, 82554, 110072, 165108, 330216, 399011, 798022, 921853, 1197033, 1596044, 1843706, 2394066, 2765559, 3192088, 3687412, 4788132, 5531118, 7374824, 9576264, 11062236, 22124472, 26733737, 53467474, 80201211, 106934948, 160402422, 213869896, 320804844, 641609688]

約数ペア:

[(1, 641609688), (2, 320804844), (3, 213869896), (4, 160402422), (6, 106934948), (8, 80201211), (12, 53467474), (24, 26733737), (29, 22124472), (58, 11062236), (67, 9576264), (87, 7374824), (116, 5531118), (134, 4788132), (174, 3687412), (201, 3192088), (232, 2765559), (268, 2394066), (348, 1843706), (402, 1596044), (536, 1197033), (696, 921853), (804, 798022), (1608, 399011), (1943, 330216), (3886, 165108), (5829, 110072), (7772, 82554), (11658, 55036), (13759, 46632), (15544, 41277), (23316, 27518)]