81577454

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:393

約数の個数: 48

約数和(自身を含む): 148236480

約数和(自身を除く): 66659026

約数列:

[1, 2, 7, 14, 41, 49, 79, 82, 98, 158, 257, 287, 514, 553, 574, 1106, 1799, 2009, 3239, 3598, 3871, 4018, 6478, 7742, 10537, 12593, 20303, 21074, 22673, 25186, 40606, 45346, 73759, 142121, 147518, 158711, 284242, 317422, 516313, 832423, 994847, 1032626, 1664846, 1989694, 5826961, 11653922, 40788727, 81577454]

約数ペア:

[(1, 81577454), (2, 40788727), (7, 11653922), (14, 5826961), (41, 1989694), (49, 1664846), (79, 1032626), (82, 994847), (98, 832423), (158, 516313), (257, 317422), (287, 284242), (514, 158711), (553, 147518), (574, 142121), (1106, 73759), (1799, 45346), (2009, 40606), (3239, 25186), (3598, 22673), (3871, 21074), (4018, 20303), (6478, 12593), (7742, 10537)]