1691228

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:75

約数の個数: 72

約数和(自身を含む): 4126080

約数和(自身を除く): 2434852

約数列:

[1, 2, 4, 7, 11, 14, 17, 19, 22, 28, 34, 38, 44, 68, 76, 77, 119, 133, 154, 187, 209, 238, 266, 289, 308, 323, 374, 418, 476, 532, 578, 646, 748, 836, 1156, 1292, 1309, 1463, 2023, 2261, 2618, 2926, 3179, 3553, 4046, 4522, 5236, 5491, 5852, 6358, 7106, 8092, 9044, 10982, 12716, 14212, 21964, 22253, 24871, 38437, 44506, 49742, 60401, 76874, 89012, 99484, 120802, 153748, 241604, 422807, 845614, 1691228]

約数ペア:

[(1, 1691228), (2, 845614), (4, 422807), (7, 241604), (11, 153748), (14, 120802), (17, 99484), (19, 89012), (22, 76874), (28, 60401), (34, 49742), (38, 44506), (44, 38437), (68, 24871), (76, 22253), (77, 21964), (119, 14212), (133, 12716), (154, 10982), (187, 9044), (209, 8092), (238, 7106), (266, 6358), (289, 5852), (308, 5491), (323, 5236), (374, 4522), (418, 4046), (476, 3553), (532, 3179), (578, 2926), (646, 2618), (748, 2261), (836, 2023), (1156, 1463), (1292, 1309)]