28537012

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 62563200

約数和(自身を除く): 34026188

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 79, 97, 98, 133, 158, 194, 196, 266, 316, 388, 532, 553, 679, 931, 1106, 1358, 1501, 1843, 1862, 2212, 2716, 3002, 3686, 3724, 3871, 4753, 6004, 7372, 7663, 7742, 9506, 10507, 12901, 15326, 15484, 19012, 21014, 25802, 30652, 42028, 51604, 53641, 73549, 90307, 107282, 145597, 147098, 180614, 214564, 291194, 294196, 361228, 375487, 582388, 750974, 1019179, 1501948, 2038358, 4076716, 7134253, 14268506, 28537012]

約数ペア:

[(1, 28537012), (2, 14268506), (4, 7134253), (7, 4076716), (14, 2038358), (19, 1501948), (28, 1019179), (38, 750974), (49, 582388), (76, 375487), (79, 361228), (97, 294196), (98, 291194), (133, 214564), (158, 180614), (194, 147098), (196, 145597), (266, 107282), (316, 90307), (388, 73549), (532, 53641), (553, 51604), (679, 42028), (931, 30652), (1106, 25802), (1358, 21014), (1501, 19012), (1843, 15484), (1862, 15326), (2212, 12901), (2716, 10507), (3002, 9506), (3686, 7742), (3724, 7663), (3871, 7372), (4753, 6004)]