31945472

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 71253840

約数和(自身を除く): 39308368

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 64, 104, 116, 128, 208, 232, 256, 331, 377, 416, 464, 662, 754, 832, 928, 1324, 1508, 1664, 1856, 2648, 3016, 3328, 3712, 4303, 5296, 6032, 7424, 8606, 9599, 10592, 12064, 17212, 19198, 21184, 24128, 34424, 38396, 42368, 48256, 68848, 76792, 84736, 96512, 124787, 137696, 153584, 249574, 275392, 307168, 499148, 550784, 614336, 998296, 1101568, 1228672, 1996592, 2457344, 3993184, 7986368, 15972736, 31945472]

約数ペア:

[(1, 31945472), (2, 15972736), (4, 7986368), (8, 3993184), (13, 2457344), (16, 1996592), (26, 1228672), (29, 1101568), (32, 998296), (52, 614336), (58, 550784), (64, 499148), (104, 307168), (116, 275392), (128, 249574), (208, 153584), (232, 137696), (256, 124787), (331, 96512), (377, 84736), (416, 76792), (464, 68848), (662, 48256), (754, 42368), (832, 38396), (928, 34424), (1324, 24128), (1508, 21184), (1664, 19198), (1856, 17212), (2648, 12064), (3016, 10592), (3328, 9599), (3712, 8606), (4303, 7424), (5296, 6032)]