1987069552

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{38677}}^1$

素因数の和:38730

約数の個数: 60

約数和(自身を含む): 4388405880

約数和(自身を除く): 2401336328

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 169, 208, 247, 304, 338, 494, 676, 988, 1352, 1976, 2704, 3211, 3952, 6422, 12844, 25688, 38677, 51376, 77354, 154708, 309416, 502801, 618832, 734863, 1005602, 1469726, 2011204, 2939452, 4022408, 5878904, 6536413, 8044816, 9553219, 11757808, 13072826, 19106438, 26145652, 38212876, 52291304, 76425752, 104582608, 124191847, 152851504, 248383694, 496767388, 993534776, 1987069552]

約数ペア:

[(1, 1987069552), (2, 993534776), (4, 496767388), (8, 248383694), (13, 152851504), (16, 124191847), (19, 104582608), (26, 76425752), (38, 52291304), (52, 38212876), (76, 26145652), (104, 19106438), (152, 13072826), (169, 11757808), (208, 9553219), (247, 8044816), (304, 6536413), (338, 5878904), (494, 4022408), (676, 2939452), (988, 2011204), (1352, 1469726), (1976, 1005602), (2704, 734863), (3211, 618832), (3952, 502801), (6422, 309416), (12844, 154708), (25688, 77354), (38677, 51376)]