25551656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 55406400

約数和(自身を除く): 29854744

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 67, 76, 104, 134, 152, 193, 247, 268, 386, 494, 536, 772, 871, 988, 1273, 1544, 1742, 1976, 2509, 2546, 3484, 3667, 5018, 5092, 6968, 7334, 10036, 10184, 12931, 14668, 16549, 20072, 25862, 29336, 33098, 47671, 51724, 66196, 95342, 103448, 132392, 168103, 190684, 245689, 336206, 381368, 491378, 672412, 982756, 1344824, 1965512, 3193957, 6387914, 12775828, 25551656]

約数ペア:

[(1, 25551656), (2, 12775828), (4, 6387914), (8, 3193957), (13, 1965512), (19, 1344824), (26, 982756), (38, 672412), (52, 491378), (67, 381368), (76, 336206), (104, 245689), (134, 190684), (152, 168103), (193, 132392), (247, 103448), (268, 95342), (386, 66196), (494, 51724), (536, 47671), (772, 33098), (871, 29336), (988, 25862), (1273, 20072), (1544, 16549), (1742, 14668), (1976, 12931), (2509, 10184), (2546, 10036), (3484, 7334), (3667, 6968), (5018, 5092)]