128432828

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 243855360

約数和(自身を除く): 115422532

約数列:

[1, 2, 4, 23, 41, 46, 79, 82, 92, 158, 164, 316, 431, 862, 943, 1724, 1817, 1886, 3239, 3634, 3772, 6478, 7268, 9913, 12956, 17671, 19826, 34049, 35342, 39652, 68098, 70684, 74497, 136196, 148994, 297988, 406433, 783127, 812866, 1396009, 1566254, 1625732, 2792018, 3132508, 5584036, 32108207, 64216414, 128432828]

約数ペア:

[(1, 128432828), (2, 64216414), (4, 32108207), (23, 5584036), (41, 3132508), (46, 2792018), (79, 1625732), (82, 1566254), (92, 1396009), (158, 812866), (164, 783127), (316, 406433), (431, 297988), (862, 148994), (943, 136196), (1724, 74497), (1817, 70684), (1886, 68098), (3239, 39652), (3634, 35342), (3772, 34049), (6478, 19826), (7268, 17671), (9913, 12956)]