81140944

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2999}}^1$

素因数の和:3115

約数の個数: 40

約数和(自身を含む): 167400000

約数和(自身を除く): 86259056

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 89, 152, 178, 304, 356, 712, 1424, 1691, 2999, 3382, 5998, 6764, 11996, 13528, 23992, 27056, 47984, 56981, 113962, 227924, 266911, 455848, 533822, 911696, 1067644, 2135288, 4270576, 5071309, 10142618, 20285236, 40570472, 81140944]

約数ペア:

[(1, 81140944), (2, 40570472), (4, 20285236), (8, 10142618), (16, 5071309), (19, 4270576), (38, 2135288), (76, 1067644), (89, 911696), (152, 533822), (178, 455848), (304, 266911), (356, 227924), (712, 113962), (1424, 56981), (1691, 47984), (2999, 27056), (3382, 23992), (5998, 13528), (6764, 11996)]