128949808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:594

約数の個数: 80

約数和(自身を含む): 288037120

約数和(自身を除く): 159087312

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 67, 76, 104, 134, 152, 208, 247, 268, 304, 487, 494, 536, 871, 974, 988, 1072, 1273, 1742, 1948, 1976, 2546, 3484, 3896, 3952, 5092, 6331, 6968, 7792, 9253, 10184, 12662, 13936, 16549, 18506, 20368, 25324, 32629, 33098, 37012, 50648, 65258, 66196, 74024, 101296, 120289, 130516, 132392, 148048, 240578, 261032, 264784, 424177, 481156, 522064, 619951, 848354, 962312, 1239902, 1696708, 1924624, 2479804, 3393416, 4959608, 6786832, 8059363, 9919216, 16118726, 32237452, 64474904, 128949808]

約数ペア:

[(1, 128949808), (2, 64474904), (4, 32237452), (8, 16118726), (13, 9919216), (16, 8059363), (19, 6786832), (26, 4959608), (38, 3393416), (52, 2479804), (67, 1924624), (76, 1696708), (104, 1239902), (134, 962312), (152, 848354), (208, 619951), (247, 522064), (268, 481156), (304, 424177), (487, 264784), (494, 261032), (536, 240578), (871, 148048), (974, 132392), (988, 130516), (1072, 120289), (1273, 101296), (1742, 74024), (1948, 66196), (1976, 65258), (2546, 50648), (3484, 37012), (3896, 33098), (3952, 32629), (5092, 25324), (6331, 20368), (6968, 18506), (7792, 16549), (9253, 13936), (10184, 12662)]