28049148

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 74627280

約数和(自身を除く): 46578132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 67, 87, 116, 134, 174, 201, 261, 268, 348, 401, 402, 522, 603, 802, 804, 1044, 1203, 1206, 1604, 1943, 2406, 2412, 3609, 3886, 4812, 5829, 7218, 7772, 11629, 11658, 14436, 17487, 23258, 23316, 26867, 34887, 34974, 46516, 53734, 69774, 69948, 80601, 104661, 107468, 139548, 161202, 209322, 241803, 322404, 418644, 483606, 779143, 967212, 1558286, 2337429, 3116572, 4674858, 7012287, 9349716, 14024574, 28049148]

約数ペア:

[(1, 28049148), (2, 14024574), (3, 9349716), (4, 7012287), (6, 4674858), (9, 3116572), (12, 2337429), (18, 1558286), (29, 967212), (36, 779143), (58, 483606), (67, 418644), (87, 322404), (116, 241803), (134, 209322), (174, 161202), (201, 139548), (261, 107468), (268, 104661), (348, 80601), (401, 69948), (402, 69774), (522, 53734), (603, 46516), (802, 34974), (804, 34887), (1044, 26867), (1203, 23316), (1206, 23258), (1604, 17487), (1943, 14436), (2406, 11658), (2412, 11629), (3609, 7772), (3886, 7218), (4812, 5829)]