3983996

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 36

約数和(自身を含む): 7680960

約数和(自身を除く): 3696964

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 89, 124, 178, 356, 361, 589, 722, 1178, 1444, 1691, 2356, 2759, 3382, 5518, 6764, 11036, 11191, 22382, 32129, 44764, 52421, 64258, 104842, 128516, 209684, 995999, 1991998, 3983996]

約数ペア:

[(1, 3983996), (2, 1991998), (4, 995999), (19, 209684), (31, 128516), (38, 104842), (62, 64258), (76, 52421), (89, 44764), (124, 32129), (178, 22382), (356, 11191), (361, 11036), (589, 6764), (722, 5518), (1178, 3382), (1444, 2759), (1691, 2356)]