212313668

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 452600064

約数和(自身を除く): 240286396

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 83, 98, 124, 166, 196, 217, 332, 421, 434, 581, 842, 868, 1162, 1519, 1684, 2324, 2573, 2947, 3038, 4067, 5146, 5894, 6076, 8134, 10292, 11788, 13051, 16268, 18011, 20629, 26102, 34943, 36022, 41258, 52204, 69886, 72044, 82516, 91357, 126077, 139772, 182714, 244601, 252154, 365428, 489202, 504308, 639499, 978404, 1083233, 1278998, 1712207, 2166466, 2557996, 3424414, 4332932, 6848828, 7582631, 15165262, 30330524, 53078417, 106156834, 212313668]

約数ペア:

[(1, 212313668), (2, 106156834), (4, 53078417), (7, 30330524), (14, 15165262), (28, 7582631), (31, 6848828), (49, 4332932), (62, 3424414), (83, 2557996), (98, 2166466), (124, 1712207), (166, 1278998), (196, 1083233), (217, 978404), (332, 639499), (421, 504308), (434, 489202), (581, 365428), (842, 252154), (868, 244601), (1162, 182714), (1519, 139772), (1684, 126077), (2324, 91357), (2573, 82516), (2947, 72044), (3038, 69886), (4067, 52204), (5146, 41258), (5894, 36022), (6076, 34943), (8134, 26102), (10292, 20629), (11788, 18011), (13051, 16268)]