71369290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1\times {\mathrm{571}}^1$

素因数の和:1038

約数の個数: 32

約数和(自身を含む): 133436160

約数和(自身を除く): 62066870

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 431, 571, 862, 1142, 2155, 2855, 4310, 5710, 12499, 16559, 24998, 33118, 62495, 82795, 124990, 165590, 246101, 492202, 1230505, 2461010, 7136929, 14273858, 35684645, 71369290]

約数ペア:

[(1, 71369290), (2, 35684645), (5, 14273858), (10, 7136929), (29, 2461010), (58, 1230505), (145, 492202), (290, 246101), (431, 165590), (571, 124990), (862, 82795), (1142, 62495), (2155, 33118), (2855, 24998), (4310, 16559), (5710, 12499)]