28385336

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 63866880

約数和(自身を除く): 35481544

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 83, 124, 166, 197, 217, 248, 332, 394, 434, 581, 664, 788, 868, 1162, 1379, 1576, 1736, 2324, 2573, 2758, 4648, 5146, 5516, 6107, 10292, 11032, 12214, 16351, 18011, 20584, 24428, 32702, 36022, 42749, 48856, 65404, 72044, 85498, 114457, 130808, 144088, 170996, 228914, 341992, 457828, 506881, 915656, 1013762, 2027524, 3548167, 4055048, 7096334, 14192668, 28385336]

約数ペア:

[(1, 28385336), (2, 14192668), (4, 7096334), (7, 4055048), (8, 3548167), (14, 2027524), (28, 1013762), (31, 915656), (56, 506881), (62, 457828), (83, 341992), (124, 228914), (166, 170996), (197, 144088), (217, 130808), (248, 114457), (332, 85498), (394, 72044), (434, 65404), (581, 48856), (664, 42749), (788, 36022), (868, 32702), (1162, 24428), (1379, 20584), (1576, 18011), (1736, 16351), (2324, 12214), (2573, 11032), (2758, 10292), (4648, 6107), (5146, 5516)]