251390968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{587}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 518192640

約数和(自身を除く): 266801672

約数列:

[1, 2, 4, 8, 17, 34, 47, 67, 68, 94, 134, 136, 188, 268, 376, 536, 587, 799, 1139, 1174, 1598, 2278, 2348, 3149, 3196, 4556, 4696, 6298, 6392, 9112, 9979, 12596, 19958, 25192, 27589, 39329, 39916, 53533, 55178, 78658, 79832, 107066, 110356, 157316, 214132, 220712, 314632, 428264, 469013, 668593, 938026, 1337186, 1848463, 1876052, 2674372, 3696926, 3752104, 5348744, 7393852, 14787704, 31423871, 62847742, 125695484, 251390968]

約数ペア:

[(1, 251390968), (2, 125695484), (4, 62847742), (8, 31423871), (17, 14787704), (34, 7393852), (47, 5348744), (67, 3752104), (68, 3696926), (94, 2674372), (134, 1876052), (136, 1848463), (188, 1337186), (268, 938026), (376, 668593), (536, 469013), (587, 428264), (799, 314632), (1139, 220712), (1174, 214132), (1598, 157316), (2278, 110356), (2348, 107066), (3149, 79832), (3196, 78658), (4556, 55178), (4696, 53533), (6298, 39916), (6392, 39329), (9112, 27589), (9979, 25192), (12596, 19958)]