28913976

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1471}}^1$

素因数の和:1506

約数の個数: 128

約数和(自身を含む): 98918400

約数和(自身を除く): 70004424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 117, 126, 156, 168, 182, 189, 216, 234, 252, 273, 312, 351, 364, 378, 468, 504, 546, 702, 728, 756, 819, 936, 1092, 1404, 1471, 1512, 1638, 2184, 2457, 2808, 2942, 3276, 4413, 4914, 5884, 6552, 8826, 9828, 10297, 11768, 13239, 17652, 19123, 19656, 20594, 26478, 30891, 35304, 38246, 39717, 41188, 52956, 57369, 61782, 76492, 79434, 82376, 92673, 105912, 114738, 123564, 133861, 152984, 158868, 172107, 185346, 229476, 247128, 267722, 278019, 317736, 344214, 370692, 401583, 458952, 516321, 535444, 556038, 688428, 741384, 803166, 1032642, 1070888, 1112076, 1204749, 1376856, 1606332, 2065284, 2224152, 2409498, 3212664, 3614247, 4130568, 4818996, 7228494, 9637992, 14456988, 28913976]

約数ペア:

[(1, 28913976), (2, 14456988), (3, 9637992), (4, 7228494), (6, 4818996), (7, 4130568), (8, 3614247), (9, 3212664), (12, 2409498), (13, 2224152), (14, 2065284), (18, 1606332), (21, 1376856), (24, 1204749), (26, 1112076), (27, 1070888), (28, 1032642), (36, 803166), (39, 741384), (42, 688428), (52, 556038), (54, 535444), (56, 516321), (63, 458952), (72, 401583), (78, 370692), (84, 344214), (91, 317736), (104, 278019), (108, 267722), (117, 247128), (126, 229476), (156, 185346), (168, 172107), (182, 158868), (189, 152984), (216, 133861), (234, 123564), (252, 114738), (273, 105912), (312, 92673), (351, 82376), (364, 79434), (378, 76492), (468, 61782), (504, 57369), (546, 52956), (702, 41188), (728, 39717), (756, 38246), (819, 35304), (936, 30891), (1092, 26478), (1404, 20594), (1471, 19656), (1512, 19123), (1638, 17652), (2184, 13239), (2457, 11768), (2808, 10297), (2942, 9828), (3276, 8826), (4413, 6552), (4914, 5884)]