31506712

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 67068000

約数和(自身を除く): 35561288

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 89, 136, 137, 152, 178, 274, 323, 356, 548, 646, 712, 1096, 1292, 1513, 1691, 2329, 2584, 2603, 3026, 3382, 4658, 5206, 6052, 6764, 9316, 10412, 12104, 12193, 13528, 18632, 20824, 24386, 28747, 44251, 48772, 57494, 88502, 97544, 114988, 177004, 207281, 229976, 231667, 354008, 414562, 463334, 829124, 926668, 1658248, 1853336, 3938339, 7876678, 15753356, 31506712]

約数ペア:

[(1, 31506712), (2, 15753356), (4, 7876678), (8, 3938339), (17, 1853336), (19, 1658248), (34, 926668), (38, 829124), (68, 463334), (76, 414562), (89, 354008), (136, 231667), (137, 229976), (152, 207281), (178, 177004), (274, 114988), (323, 97544), (356, 88502), (548, 57494), (646, 48772), (712, 44251), (1096, 28747), (1292, 24386), (1513, 20824), (1691, 18632), (2329, 13528), (2584, 12193), (2603, 12104), (3026, 10412), (3382, 9316), (4658, 6764), (5206, 6052)]