199454476

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 406743120

約数和(自身を除く): 207288644

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 53, 76, 106, 169, 212, 247, 293, 338, 494, 586, 676, 689, 988, 1007, 1172, 1378, 2014, 2756, 3211, 3809, 4028, 5567, 6422, 7618, 8957, 11134, 12844, 13091, 15236, 15529, 17914, 22268, 26182, 31058, 35828, 49517, 52364, 62116, 72371, 99034, 144742, 170183, 198068, 201877, 289484, 295051, 340366, 403754, 590102, 680732, 807508, 940823, 1180204, 1881646, 2624401, 3763292, 3835663, 5248802, 7671326, 10497604, 15342652, 49863619, 99727238, 199454476]

約数ペア:

[(1, 199454476), (2, 99727238), (4, 49863619), (13, 15342652), (19, 10497604), (26, 7671326), (38, 5248802), (52, 3835663), (53, 3763292), (76, 2624401), (106, 1881646), (169, 1180204), (212, 940823), (247, 807508), (293, 680732), (338, 590102), (494, 403754), (586, 340366), (676, 295051), (689, 289484), (988, 201877), (1007, 198068), (1172, 170183), (1378, 144742), (2014, 99034), (2756, 72371), (3211, 62116), (3809, 52364), (4028, 49517), (5567, 35828), (6422, 31058), (7618, 26182), (8957, 22268), (11134, 17914), (12844, 15529), (13091, 15236)]