1999648924

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{177211}}^1$

素因数の和:177266

約数の個数: 48

約数和(自身を含む): 4445894656

約数和(自身を除く): 2446245732

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 11284, 177211, 354422, 708844, 1240477, 2303743, 2480954, 4607486, 4961908, 5493541, 9214972, 10987082, 16126201, 21974164, 32252402, 38454787, 64504804, 71416033, 76909574, 142832066, 153819148, 285664132, 499912231, 999824462, 1999648924]

約数ペア:

[(1, 1999648924), (2, 999824462), (4, 499912231), (7, 285664132), (13, 153819148), (14, 142832066), (26, 76909574), (28, 71416033), (31, 64504804), (52, 38454787), (62, 32252402), (91, 21974164), (124, 16126201), (182, 10987082), (217, 9214972), (364, 5493541), (403, 4961908), (434, 4607486), (806, 2480954), (868, 2303743), (1612, 1240477), (2821, 708844), (5642, 354422), (11284, 177211)]