81765474

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1297}}^1$

素因数の和:1407

約数の個数: 64

約数和(自身を含む): 199372800

約数和(自身を除く): 117607326

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 79, 114, 133, 158, 237, 266, 399, 474, 553, 798, 1106, 1297, 1501, 1659, 2594, 3002, 3318, 3891, 4503, 7782, 9006, 9079, 10507, 18158, 21014, 24643, 27237, 31521, 49286, 54474, 63042, 73929, 102463, 147858, 172501, 204926, 307389, 345002, 517503, 614778, 717241, 1035006, 1434482, 1946797, 2151723, 3893594, 4303446, 5840391, 11680782, 13627579, 27255158, 40882737, 81765474]

約数ペア:

[(1, 81765474), (2, 40882737), (3, 27255158), (6, 13627579), (7, 11680782), (14, 5840391), (19, 4303446), (21, 3893594), (38, 2151723), (42, 1946797), (57, 1434482), (79, 1035006), (114, 717241), (133, 614778), (158, 517503), (237, 345002), (266, 307389), (399, 204926), (474, 172501), (553, 147858), (798, 102463), (1106, 73929), (1297, 63042), (1501, 54474), (1659, 49286), (2594, 31521), (3002, 27237), (3318, 24643), (3891, 21014), (4503, 18158), (7782, 10507), (9006, 9079)]