28941276

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1559}}^1$

素因数の和:1603

約数の個数: 96

約数和(自身を含む): 88058880

約数和(自身を除く): 59117604

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 17, 21, 26, 28, 34, 39, 42, 51, 52, 68, 78, 84, 91, 102, 119, 156, 182, 204, 221, 238, 273, 357, 364, 442, 476, 546, 663, 714, 884, 1092, 1326, 1428, 1547, 1559, 2652, 3094, 3118, 4641, 4677, 6188, 6236, 9282, 9354, 10913, 18564, 18708, 20267, 21826, 26503, 32739, 40534, 43652, 53006, 60801, 65478, 79509, 81068, 106012, 121602, 130956, 141869, 159018, 185521, 243204, 283738, 318036, 344539, 371042, 425607, 556563, 567476, 689078, 742084, 851214, 1033617, 1113126, 1378156, 1702428, 2067234, 2226252, 2411773, 4134468, 4823546, 7235319, 9647092, 14470638, 28941276]

約数ペア:

[(1, 28941276), (2, 14470638), (3, 9647092), (4, 7235319), (6, 4823546), (7, 4134468), (12, 2411773), (13, 2226252), (14, 2067234), (17, 1702428), (21, 1378156), (26, 1113126), (28, 1033617), (34, 851214), (39, 742084), (42, 689078), (51, 567476), (52, 556563), (68, 425607), (78, 371042), (84, 344539), (91, 318036), (102, 283738), (119, 243204), (156, 185521), (182, 159018), (204, 141869), (221, 130956), (238, 121602), (273, 106012), (357, 81068), (364, 79509), (442, 65478), (476, 60801), (546, 53006), (663, 43652), (714, 40534), (884, 32739), (1092, 26503), (1326, 21826), (1428, 20267), (1547, 18708), (1559, 18564), (2652, 10913), (3094, 9354), (3118, 9282), (4641, 6236), (4677, 6188)]