28419768

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:406

約数の個数: 128

約数和(自身を含む): 88200000

約数和(自身を除く): 59780232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 29, 36, 39, 52, 54, 58, 72, 78, 87, 104, 108, 116, 117, 156, 174, 216, 232, 234, 261, 312, 348, 349, 351, 377, 468, 522, 696, 698, 702, 754, 783, 936, 1044, 1047, 1131, 1396, 1404, 1508, 1566, 2088, 2094, 2262, 2792, 2808, 3016, 3132, 3141, 3393, 4188, 4524, 4537, 6264, 6282, 6786, 8376, 9048, 9074, 9423, 10121, 10179, 12564, 13572, 13611, 18148, 18846, 20242, 20358, 25128, 27144, 27222, 30363, 36296, 37692, 40484, 40716, 40833, 54444, 60726, 75384, 80968, 81432, 81666, 91089, 108888, 121452, 122499, 131573, 163332, 182178, 242904, 244998, 263146, 273267, 326664, 364356, 394719, 489996, 526292, 546534, 728712, 789438, 979992, 1052584, 1093068, 1184157, 1578876, 2186136, 2368314, 3157752, 3552471, 4736628, 7104942, 9473256, 14209884, 28419768]

約数ペア:

[(1, 28419768), (2, 14209884), (3, 9473256), (4, 7104942), (6, 4736628), (8, 3552471), (9, 3157752), (12, 2368314), (13, 2186136), (18, 1578876), (24, 1184157), (26, 1093068), (27, 1052584), (29, 979992), (36, 789438), (39, 728712), (52, 546534), (54, 526292), (58, 489996), (72, 394719), (78, 364356), (87, 326664), (104, 273267), (108, 263146), (116, 244998), (117, 242904), (156, 182178), (174, 163332), (216, 131573), (232, 122499), (234, 121452), (261, 108888), (312, 91089), (348, 81666), (349, 81432), (351, 80968), (377, 75384), (468, 60726), (522, 54444), (696, 40833), (698, 40716), (702, 40484), (754, 37692), (783, 36296), (936, 30363), (1044, 27222), (1047, 27144), (1131, 25128), (1396, 20358), (1404, 20242), (1508, 18846), (1566, 18148), (2088, 13611), (2094, 13572), (2262, 12564), (2792, 10179), (2808, 10121), (3016, 9423), (3132, 9074), (3141, 9048), (3393, 8376), (4188, 6786), (4524, 6282), (4537, 6264)]