207958456

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 420940800

約数和(自身を除く): 212982344

約数列:

[1, 2, 4, 8, 23, 46, 47, 92, 94, 139, 173, 184, 188, 278, 346, 376, 556, 692, 1081, 1112, 1384, 2162, 3197, 3979, 4324, 6394, 6533, 7958, 8131, 8648, 12788, 13066, 15916, 16262, 24047, 25576, 26132, 31832, 32524, 48094, 52264, 65048, 96188, 150259, 187013, 192376, 300518, 374026, 553081, 601036, 748052, 1106162, 1130209, 1202072, 1496104, 2212324, 2260418, 4424648, 4520836, 9041672, 25994807, 51989614, 103979228, 207958456]

約数ペア:

[(1, 207958456), (2, 103979228), (4, 51989614), (8, 25994807), (23, 9041672), (46, 4520836), (47, 4424648), (92, 2260418), (94, 2212324), (139, 1496104), (173, 1202072), (184, 1130209), (188, 1106162), (278, 748052), (346, 601036), (376, 553081), (556, 374026), (692, 300518), (1081, 192376), (1112, 187013), (1384, 150259), (2162, 96188), (3197, 65048), (3979, 52264), (4324, 48094), (6394, 32524), (6533, 31832), (7958, 26132), (8131, 25576), (8648, 24047), (12788, 16262), (13066, 15916)]