399287992324

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{977}}^1\times {\mathrm{24793}}^1$

素因数の和:26104

約数の個数: 48

約数和(自身を含む): 755681251248

約数和(自身を除く): 356393258924

約数列:

[1, 2, 4, 13, 26, 52, 317, 634, 977, 1268, 1954, 3908, 4121, 8242, 12701, 16484, 24793, 25402, 49586, 50804, 99172, 309709, 322309, 619418, 644618, 1238836, 1289236, 4026217, 7859381, 8052434, 15718762, 16104868, 24222761, 31437524, 48445522, 96891044, 102171953, 204343906, 314895893, 408687812, 629791786, 1259583572, 7678615237, 15357230474, 30714460948, 99821998081, 199643996162, 399287992324]

約数ペア:

[(1, 399287992324), (2, 199643996162), (4, 99821998081), (13, 30714460948), (26, 15357230474), (52, 7678615237), (317, 1259583572), (634, 629791786), (977, 408687812), (1268, 314895893), (1954, 204343906), (3908, 102171953), (4121, 96891044), (8242, 48445522), (12701, 31437524), (16484, 24222761), (24793, 16104868), (25402, 15718762), (49586, 8052434), (50804, 7859381), (99172, 4026217), (309709, 1289236), (322309, 1238836), (619418, 644618)]