198525860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{24631}}^1$

素因数の和:24684

約数の個数: 48

約数和(自身を含む): 463475712

約数和(自身を除く): 264949852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 24631, 49262, 98524, 123155, 246310, 320203, 492620, 640406, 763561, 1280812, 1527122, 1601015, 3054244, 3202030, 3817805, 6404060, 7635610, 9926293, 15271220, 19852586, 39705172, 49631465, 99262930, 198525860]

約数ペア:

[(1, 198525860), (2, 99262930), (4, 49631465), (5, 39705172), (10, 19852586), (13, 15271220), (20, 9926293), (26, 7635610), (31, 6404060), (52, 3817805), (62, 3202030), (65, 3054244), (124, 1601015), (130, 1527122), (155, 1280812), (260, 763561), (310, 640406), (403, 492620), (620, 320203), (806, 246310), (1612, 123155), (2015, 98524), (4030, 49262), (8060, 24631)]