1780451556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{1747}}^1$

素因数の和:1953

約数の個数: 96

約数和(自身を含む): 4604651520

約数和(自身を除く): 2824199964

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 139, 141, 156, 188, 278, 282, 417, 556, 564, 611, 834, 1222, 1668, 1747, 1807, 1833, 2444, 3494, 3614, 3666, 5241, 5421, 6533, 6988, 7228, 7332, 10482, 10842, 13066, 19599, 20964, 21684, 22711, 26132, 39198, 45422, 68133, 78396, 82109, 84929, 90844, 136266, 164218, 169858, 242833, 246327, 254787, 272532, 328436, 339716, 485666, 492654, 509574, 728499, 971332, 985308, 1019148, 1067417, 1456998, 2134834, 2913996, 3156829, 3202251, 4269668, 6313658, 6404502, 9470487, 11413151, 12627316, 12809004, 18940974, 22826302, 34239453, 37881948, 45652604, 68478906, 136957812, 148370963, 296741926, 445112889, 593483852, 890225778, 1780451556]

約数ペア:

[(1, 1780451556), (2, 890225778), (3, 593483852), (4, 445112889), (6, 296741926), (12, 148370963), (13, 136957812), (26, 68478906), (39, 45652604), (47, 37881948), (52, 34239453), (78, 22826302), (94, 18940974), (139, 12809004), (141, 12627316), (156, 11413151), (188, 9470487), (278, 6404502), (282, 6313658), (417, 4269668), (556, 3202251), (564, 3156829), (611, 2913996), (834, 2134834), (1222, 1456998), (1668, 1067417), (1747, 1019148), (1807, 985308), (1833, 971332), (2444, 728499), (3494, 509574), (3614, 492654), (3666, 485666), (5241, 339716), (5421, 328436), (6533, 272532), (6988, 254787), (7228, 246327), (7332, 242833), (10482, 169858), (10842, 164218), (13066, 136266), (19599, 90844), (20964, 84929), (21684, 82109), (22711, 78396), (26132, 68133), (39198, 45422)]