641844

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{283}}^1$

素因数の和:306

約数の個数: 60

約数和(自身を含む): 1924384

約数和(自身を除く): 1282540

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 283, 324, 378, 566, 567, 756, 849, 1132, 1134, 1698, 1981, 2268, 2547, 3396, 3962, 5094, 5943, 7641, 7924, 10188, 11886, 15282, 17829, 22923, 23772, 30564, 35658, 45846, 53487, 71316, 91692, 106974, 160461, 213948, 320922, 641844]

約数ペア:

[(1, 641844), (2, 320922), (3, 213948), (4, 160461), (6, 106974), (7, 91692), (9, 71316), (12, 53487), (14, 45846), (18, 35658), (21, 30564), (27, 23772), (28, 22923), (36, 17829), (42, 15282), (54, 11886), (63, 10188), (81, 7924), (84, 7641), (108, 5943), (126, 5094), (162, 3962), (189, 3396), (252, 2547), (283, 2268), (324, 1981), (378, 1698), (566, 1134), (567, 1132), (756, 849)]