388640264

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{107}}^1\times {\mathrm{1571}}^1$

素因数の和:1718

約数の個数: 48

約数和(自身を含む): 781818480

約数和(自身を除く): 393178216

約数列:

[1, 2, 4, 8, 17, 34, 68, 107, 136, 214, 289, 428, 578, 856, 1156, 1571, 1819, 2312, 3142, 3638, 6284, 7276, 12568, 14552, 26707, 30923, 53414, 61846, 106828, 123692, 168097, 213656, 247384, 336194, 454019, 672388, 908038, 1344776, 1816076, 2857649, 3632152, 5715298, 11430596, 22861192, 48580033, 97160066, 194320132, 388640264]

約数ペア:

[(1, 388640264), (2, 194320132), (4, 97160066), (8, 48580033), (17, 22861192), (34, 11430596), (68, 5715298), (107, 3632152), (136, 2857649), (214, 1816076), (289, 1344776), (428, 908038), (578, 672388), (856, 454019), (1156, 336194), (1571, 247384), (1819, 213656), (2312, 168097), (3142, 123692), (3638, 106828), (6284, 61846), (7276, 53414), (12568, 30923), (14552, 26707)]