31303332

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 82660032

約数和(自身を除く): 51356700

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 71, 74, 111, 142, 148, 213, 222, 284, 331, 333, 426, 444, 639, 662, 666, 852, 993, 1278, 1324, 1332, 1986, 2556, 2627, 2979, 3972, 5254, 5958, 7881, 10508, 11916, 12247, 15762, 23501, 23643, 24494, 31524, 36741, 47002, 47286, 48988, 70503, 73482, 94004, 94572, 110223, 141006, 146964, 211509, 220446, 282012, 423018, 440892, 846036, 869537, 1739074, 2608611, 3478148, 5217222, 7825833, 10434444, 15651666, 31303332]

約数ペア:

[(1, 31303332), (2, 15651666), (3, 10434444), (4, 7825833), (6, 5217222), (9, 3478148), (12, 2608611), (18, 1739074), (36, 869537), (37, 846036), (71, 440892), (74, 423018), (111, 282012), (142, 220446), (148, 211509), (213, 146964), (222, 141006), (284, 110223), (331, 94572), (333, 94004), (426, 73482), (444, 70503), (639, 48988), (662, 47286), (666, 47002), (852, 36741), (993, 31524), (1278, 24494), (1324, 23643), (1332, 23501), (1986, 15762), (2556, 12247), (2627, 11916), (2979, 10508), (3972, 7881), (5254, 5958)]