28876692

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 75630240

約数和(自身を除く): 46753548

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 169, 174, 338, 348, 377, 491, 507, 676, 754, 982, 1014, 1131, 1473, 1508, 1964, 2028, 2262, 2946, 4524, 4901, 5892, 6383, 9802, 12766, 14239, 14703, 19149, 19604, 25532, 28478, 29406, 38298, 42717, 56956, 58812, 76596, 82979, 85434, 165958, 170868, 185107, 248937, 331916, 370214, 497874, 555321, 740428, 995748, 1110642, 2221284, 2406391, 4812782, 7219173, 9625564, 14438346, 28876692]

約数ペア:

[(1, 28876692), (2, 14438346), (3, 9625564), (4, 7219173), (6, 4812782), (12, 2406391), (13, 2221284), (26, 1110642), (29, 995748), (39, 740428), (52, 555321), (58, 497874), (78, 370214), (87, 331916), (116, 248937), (156, 185107), (169, 170868), (174, 165958), (338, 85434), (348, 82979), (377, 76596), (491, 58812), (507, 56956), (676, 42717), (754, 38298), (982, 29406), (1014, 28478), (1131, 25532), (1473, 19604), (1508, 19149), (1964, 14703), (2028, 14239), (2262, 12766), (2946, 9802), (4524, 6383), (4901, 5892)]