247189908

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:314

約数の個数: 144

約数和(自身を含む): 706019328

約数和(自身を除く): 458829420

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 71, 84, 93, 98, 124, 142, 147, 186, 191, 196, 213, 217, 284, 294, 372, 382, 426, 434, 497, 573, 588, 651, 764, 852, 868, 994, 1146, 1302, 1337, 1491, 1519, 1988, 2201, 2292, 2604, 2674, 2982, 3038, 3479, 4011, 4402, 4557, 5348, 5921, 5964, 6076, 6603, 6958, 8022, 8804, 9114, 9359, 10437, 11842, 13206, 13561, 13916, 15407, 16044, 17763, 18228, 18718, 20874, 23684, 26412, 27122, 28077, 30814, 35526, 37436, 40683, 41447, 41748, 46221, 54244, 56154, 61628, 71052, 81366, 82894, 92442, 94927, 107849, 112308, 124341, 162732, 165788, 184884, 189854, 215698, 248682, 284781, 290129, 323547, 379708, 420391, 431396, 497364, 569562, 580258, 647094, 664489, 840782, 870387, 1139124, 1160516, 1261173, 1294188, 1328978, 1681564, 1740774, 1993467, 2522346, 2657956, 2942737, 3481548, 3986934, 5044692, 5885474, 7973868, 8828211, 11770948, 17656422, 20599159, 35312844, 41198318, 61797477, 82396636, 123594954, 247189908]

約数ペア:

[(1, 247189908), (2, 123594954), (3, 82396636), (4, 61797477), (6, 41198318), (7, 35312844), (12, 20599159), (14, 17656422), (21, 11770948), (28, 8828211), (31, 7973868), (42, 5885474), (49, 5044692), (62, 3986934), (71, 3481548), (84, 2942737), (93, 2657956), (98, 2522346), (124, 1993467), (142, 1740774), (147, 1681564), (186, 1328978), (191, 1294188), (196, 1261173), (213, 1160516), (217, 1139124), (284, 870387), (294, 840782), (372, 664489), (382, 647094), (426, 580258), (434, 569562), (497, 497364), (573, 431396), (588, 420391), (651, 379708), (764, 323547), (852, 290129), (868, 284781), (994, 248682), (1146, 215698), (1302, 189854), (1337, 184884), (1491, 165788), (1519, 162732), (1988, 124341), (2201, 112308), (2292, 107849), (2604, 94927), (2674, 92442), (2982, 82894), (3038, 81366), (3479, 71052), (4011, 61628), (4402, 56154), (4557, 54244), (5348, 46221), (5921, 41748), (5964, 41447), (6076, 40683), (6603, 37436), (6958, 35526), (8022, 30814), (8804, 28077), (9114, 27122), (9359, 26412), (10437, 23684), (11842, 20874), (13206, 18718), (13561, 18228), (13916, 17763), (15407, 16044)]