258972016

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{30713}}^1$

素因数の和:30769

約数の個数: 40

約数和(自身を含む): 548429184

約数和(自身を除く): 289457168

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 4216, 8432, 30713, 61426, 122852, 245704, 491408, 522121, 952103, 1044242, 1904206, 2088484, 3808412, 4176968, 7616824, 8353936, 15233648, 16185751, 32371502, 64743004, 129486008, 258972016]

約数ペア:

[(1, 258972016), (2, 129486008), (4, 64743004), (8, 32371502), (16, 16185751), (17, 15233648), (31, 8353936), (34, 7616824), (62, 4176968), (68, 3808412), (124, 2088484), (136, 1904206), (248, 1044242), (272, 952103), (496, 522121), (527, 491408), (1054, 245704), (2108, 122852), (4216, 61426), (8432, 30713)]