31211544

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:521

約数の個数: 128

約数和(自身を含む): 99348480

約数和(自身を除く): 68136936

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 31, 39, 42, 52, 56, 62, 78, 84, 91, 93, 104, 124, 156, 168, 182, 186, 217, 248, 273, 312, 364, 372, 403, 434, 461, 546, 651, 728, 744, 806, 868, 922, 1092, 1209, 1302, 1383, 1612, 1736, 1844, 2184, 2418, 2604, 2766, 2821, 3224, 3227, 3688, 4836, 5208, 5532, 5642, 5993, 6454, 8463, 9672, 9681, 11064, 11284, 11986, 12908, 14291, 16926, 17979, 19362, 22568, 23972, 25816, 28582, 33852, 35958, 38724, 41951, 42873, 47944, 57164, 67704, 71916, 77448, 83902, 85746, 100037, 114328, 125853, 143832, 167804, 171492, 185783, 200074, 251706, 300111, 335608, 342984, 371566, 400148, 503412, 557349, 600222, 743132, 800296, 1006824, 1114698, 1200444, 1300481, 1486264, 2229396, 2400888, 2600962, 3901443, 4458792, 5201924, 7802886, 10403848, 15605772, 31211544]

約数ペア:

[(1, 31211544), (2, 15605772), (3, 10403848), (4, 7802886), (6, 5201924), (7, 4458792), (8, 3901443), (12, 2600962), (13, 2400888), (14, 2229396), (21, 1486264), (24, 1300481), (26, 1200444), (28, 1114698), (31, 1006824), (39, 800296), (42, 743132), (52, 600222), (56, 557349), (62, 503412), (78, 400148), (84, 371566), (91, 342984), (93, 335608), (104, 300111), (124, 251706), (156, 200074), (168, 185783), (182, 171492), (186, 167804), (217, 143832), (248, 125853), (273, 114328), (312, 100037), (364, 85746), (372, 83902), (403, 77448), (434, 71916), (461, 67704), (546, 57164), (651, 47944), (728, 42873), (744, 41951), (806, 38724), (868, 35958), (922, 33852), (1092, 28582), (1209, 25816), (1302, 23972), (1383, 22568), (1612, 19362), (1736, 17979), (1844, 16926), (2184, 14291), (2418, 12908), (2604, 11986), (2766, 11284), (2821, 11064), (3224, 9681), (3227, 9672), (3688, 8463), (4836, 6454), (5208, 5993), (5532, 5642)]