172638128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{48823}}^1$

素因数の和:48861

約数の個数: 40

約数和(自身を含む): 381413088

約数和(自身を除く): 208774960

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 48823, 97646, 195292, 390584, 634699, 781168, 829991, 1269398, 1659982, 2538796, 3319964, 5077592, 6639928, 10155184, 10789883, 13279856, 21579766, 43159532, 86319064, 172638128]

約数ペア:

[(1, 172638128), (2, 86319064), (4, 43159532), (8, 21579766), (13, 13279856), (16, 10789883), (17, 10155184), (26, 6639928), (34, 5077592), (52, 3319964), (68, 2538796), (104, 1659982), (136, 1269398), (208, 829991), (221, 781168), (272, 634699), (442, 390584), (884, 195292), (1768, 97646), (3536, 48823)]