207897487

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 260467200

約数和(自身を除く): 52569713

約数列:

[1, 7, 19, 37, 83, 133, 259, 509, 581, 703, 1577, 3071, 3563, 4921, 9671, 11039, 18833, 21497, 42247, 58349, 67697, 131831, 295729, 357827, 408443, 802693, 1563139, 2504789, 5618851, 10941973, 29699641, 207897487]

約数ペア:

[(1, 207897487), (7, 29699641), (19, 10941973), (37, 5618851), (83, 2504789), (133, 1563139), (259, 802693), (509, 408443), (581, 357827), (703, 295729), (1577, 131831), (3071, 67697), (3563, 58349), (4921, 42247), (9671, 21497), (11039, 18833)]