31405936

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 69638400

約数和(自身を除く): 38232464

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 59, 68, 76, 103, 118, 136, 152, 206, 236, 272, 304, 323, 412, 472, 646, 824, 944, 1003, 1121, 1292, 1648, 1751, 1957, 2006, 2242, 2584, 3502, 3914, 4012, 4484, 5168, 6077, 7004, 7828, 8024, 8968, 12154, 14008, 15656, 16048, 17936, 19057, 24308, 28016, 31312, 33269, 38114, 48616, 66538, 76228, 97232, 103309, 115463, 133076, 152456, 206618, 230926, 266152, 304912, 413236, 461852, 532304, 826472, 923704, 1652944, 1847408, 1962871, 3925742, 7851484, 15702968, 31405936]

約数ペア:

[(1, 31405936), (2, 15702968), (4, 7851484), (8, 3925742), (16, 1962871), (17, 1847408), (19, 1652944), (34, 923704), (38, 826472), (59, 532304), (68, 461852), (76, 413236), (103, 304912), (118, 266152), (136, 230926), (152, 206618), (206, 152456), (236, 133076), (272, 115463), (304, 103309), (323, 97232), (412, 76228), (472, 66538), (646, 48616), (824, 38114), (944, 33269), (1003, 31312), (1121, 28016), (1292, 24308), (1648, 19057), (1751, 17936), (1957, 16048), (2006, 15656), (2242, 14008), (2584, 12154), (3502, 8968), (3914, 8024), (4012, 7828), (4484, 7004), (5168, 6077)]