248335035

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{691}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 455723520

約数和(自身を除く): 207388485

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 97, 195, 247, 285, 291, 485, 691, 741, 1235, 1261, 1455, 1843, 2073, 3455, 3705, 3783, 5529, 6305, 8983, 9215, 10365, 13129, 18915, 23959, 26949, 27645, 39387, 44915, 65645, 67027, 71877, 119795, 134745, 170677, 196935, 201081, 335135, 359385, 512031, 853385, 871351, 1005405, 1273513, 2560155, 2614053, 3820539, 4356755, 6367565, 13070265, 16555669, 19102695, 49667007, 82778345, 248335035]

約数ペア:

[(1, 248335035), (3, 82778345), (5, 49667007), (13, 19102695), (15, 16555669), (19, 13070265), (39, 6367565), (57, 4356755), (65, 3820539), (95, 2614053), (97, 2560155), (195, 1273513), (247, 1005405), (285, 871351), (291, 853385), (485, 512031), (691, 359385), (741, 335135), (1235, 201081), (1261, 196935), (1455, 170677), (1843, 134745), (2073, 119795), (3455, 71877), (3705, 67027), (3783, 65645), (5529, 44915), (6305, 39387), (8983, 27645), (9215, 26949), (10365, 23959), (13129, 18915)]