123215142

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 268738560

約数和(自身を除く): 145523418

約数列:

[1, 2, 3, 6, 29, 31, 53, 58, 62, 87, 93, 106, 159, 174, 186, 318, 431, 862, 899, 1293, 1537, 1643, 1798, 2586, 2697, 3074, 3286, 4611, 4929, 5394, 9222, 9858, 12499, 13361, 22843, 24998, 26722, 37497, 40083, 45686, 47647, 68529, 74994, 80166, 95294, 137058, 142941, 285882, 387469, 662447, 708133, 774938, 1162407, 1324894, 1416266, 1987341, 2124399, 2324814, 3974682, 4248798, 20535857, 41071714, 61607571, 123215142]

約数ペア:

[(1, 123215142), (2, 61607571), (3, 41071714), (6, 20535857), (29, 4248798), (31, 3974682), (53, 2324814), (58, 2124399), (62, 1987341), (87, 1416266), (93, 1324894), (106, 1162407), (159, 774938), (174, 708133), (186, 662447), (318, 387469), (431, 285882), (862, 142941), (899, 137058), (1293, 95294), (1537, 80166), (1643, 74994), (1798, 68529), (2586, 47647), (2697, 45686), (3074, 40083), (3286, 37497), (4611, 26722), (4929, 24998), (5394, 22843), (9222, 13361), (9858, 12499)]