71796478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 130636800

約数和(自身を除く): 58840322

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 71, 89, 142, 178, 247, 299, 437, 494, 598, 874, 923, 1157, 1349, 1633, 1691, 1846, 2047, 2314, 2698, 3266, 3382, 4094, 5681, 6319, 11362, 12638, 17537, 21229, 21983, 26611, 31027, 35074, 38893, 42458, 43966, 53222, 62054, 77786, 82147, 120061, 145337, 164294, 240122, 290674, 403351, 505609, 806702, 1011218, 1560793, 1889381, 2761403, 3121586, 3778762, 5522806, 35898239, 71796478]

約数ペア:

[(1, 71796478), (2, 35898239), (13, 5522806), (19, 3778762), (23, 3121586), (26, 2761403), (38, 1889381), (46, 1560793), (71, 1011218), (89, 806702), (142, 505609), (178, 403351), (247, 290674), (299, 240122), (437, 164294), (494, 145337), (598, 120061), (874, 82147), (923, 77786), (1157, 62054), (1349, 53222), (1633, 43966), (1691, 42458), (1846, 38893), (2047, 35074), (2314, 31027), (2698, 26611), (3266, 21983), (3382, 21229), (4094, 17537), (5681, 12638), (6319, 11362)]