1213879105

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 1515801600

約数和(自身を除く): 301922495

約数列:

[1, 5, 47, 101, 199, 235, 257, 505, 995, 1285, 4747, 9353, 12079, 20099, 23735, 25957, 46765, 51143, 60395, 100495, 129785, 255715, 944653, 1219979, 2403721, 4723265, 5165443, 6099895, 12018605, 25827215, 242775821, 1213879105]

約数ペア:

[(1, 1213879105), (5, 242775821), (47, 25827215), (101, 12018605), (199, 6099895), (235, 5165443), (257, 4723265), (505, 2403721), (995, 1219979), (1285, 944653), (4747, 255715), (9353, 129785), (12079, 100495), (20099, 60395), (23735, 51143), (25957, 46765)]