131573936

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 80

約数和(自身を含む): 292168800

約数和(自身を除く): 160594864

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 169, 197, 208, 247, 304, 338, 394, 494, 676, 788, 988, 1352, 1576, 1976, 2197, 2561, 2704, 3152, 3211, 3743, 3952, 4394, 5122, 6422, 7486, 8788, 10244, 12844, 14972, 17576, 20488, 25688, 29944, 33293, 35152, 40976, 41743, 48659, 51376, 59888, 66586, 83486, 97318, 133172, 166972, 194636, 266344, 333944, 389272, 432809, 532688, 632567, 667888, 778544, 865618, 1265134, 1731236, 2530268, 3462472, 5060536, 6924944, 8223371, 10121072, 16446742, 32893484, 65786968, 131573936]

約数ペア:

[(1, 131573936), (2, 65786968), (4, 32893484), (8, 16446742), (13, 10121072), (16, 8223371), (19, 6924944), (26, 5060536), (38, 3462472), (52, 2530268), (76, 1731236), (104, 1265134), (152, 865618), (169, 778544), (197, 667888), (208, 632567), (247, 532688), (304, 432809), (338, 389272), (394, 333944), (494, 266344), (676, 194636), (788, 166972), (988, 133172), (1352, 97318), (1576, 83486), (1976, 66586), (2197, 59888), (2561, 51376), (2704, 48659), (3152, 41743), (3211, 40976), (3743, 35152), (3952, 33293), (4394, 29944), (5122, 25688), (6422, 20488), (7486, 17576), (8788, 14972), (10244, 12844)]