1978389014

素因数分解:

$2^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{269}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 3545856000

約数和(自身を除く): 1567466986

約数列:

[1, 2, 7, 14, 49, 71, 98, 142, 151, 269, 302, 343, 497, 538, 686, 994, 1057, 1883, 2114, 3479, 3766, 6958, 7399, 10721, 13181, 14798, 19099, 21442, 24353, 26362, 38198, 40619, 48706, 51793, 75047, 81238, 92267, 103586, 133693, 150094, 184534, 267386, 284333, 525329, 568666, 935851, 1050658, 1871702, 1990331, 2883949, 3677303, 3980662, 5767898, 6550957, 7354606, 13101914, 13932317, 20187643, 27864634, 40375286, 141313501, 282627002, 989194507, 1978389014]

約数ペア:

[(1, 1978389014), (2, 989194507), (7, 282627002), (14, 141313501), (49, 40375286), (71, 27864634), (98, 20187643), (142, 13932317), (151, 13101914), (269, 7354606), (302, 6550957), (343, 5767898), (497, 3980662), (538, 3677303), (686, 2883949), (994, 1990331), (1057, 1871702), (1883, 1050658), (2114, 935851), (3479, 568666), (3766, 525329), (6958, 284333), (7399, 267386), (10721, 184534), (13181, 150094), (14798, 133693), (19099, 103586), (21442, 92267), (24353, 81238), (26362, 75047), (38198, 51793), (40619, 48706)]