208910928

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{577}}^1$

素因数の和:1004

約数の個数: 80

約数和(自身を含む): 570509120

約数和(自身を除く): 361598192

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 397, 456, 577, 794, 912, 1154, 1191, 1588, 1731, 2308, 2382, 3176, 3462, 4616, 4764, 6352, 6924, 7543, 9232, 9528, 10963, 13848, 15086, 19056, 21926, 22629, 27696, 30172, 32889, 43852, 45258, 60344, 65778, 87704, 90516, 120688, 131556, 175408, 181032, 229069, 263112, 362064, 458138, 526224, 687207, 916276, 1374414, 1832552, 2748828, 3665104, 4352311, 5497656, 8704622, 10995312, 13056933, 17409244, 26113866, 34818488, 52227732, 69636976, 104455464, 208910928]

約数ペア:

[(1, 208910928), (2, 104455464), (3, 69636976), (4, 52227732), (6, 34818488), (8, 26113866), (12, 17409244), (16, 13056933), (19, 10995312), (24, 8704622), (38, 5497656), (48, 4352311), (57, 3665104), (76, 2748828), (114, 1832552), (152, 1374414), (228, 916276), (304, 687207), (397, 526224), (456, 458138), (577, 362064), (794, 263112), (912, 229069), (1154, 181032), (1191, 175408), (1588, 131556), (1731, 120688), (2308, 90516), (2382, 87704), (3176, 65778), (3462, 60344), (4616, 45258), (4764, 43852), (6352, 32889), (6924, 30172), (7543, 27696), (9232, 22629), (9528, 21926), (10963, 19056), (13848, 15086)]