51211690

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{73}}^2$

素因数の和:215

約数の個数: 36

約数和(自身を含む): 96573222

約数和(自身を除く): 45361532

約数列:

[1, 2, 5, 10, 31, 62, 73, 146, 155, 310, 365, 730, 961, 1922, 2263, 4526, 4805, 5329, 9610, 10658, 11315, 22630, 26645, 53290, 70153, 140306, 165199, 330398, 350765, 701530, 825995, 1651990, 5121169, 10242338, 25605845, 51211690]

約数ペア:

[(1, 51211690), (2, 25605845), (5, 10242338), (10, 5121169), (31, 1651990), (62, 825995), (73, 701530), (146, 350765), (155, 330398), (310, 165199), (365, 140306), (730, 70153), (961, 53290), (1922, 26645), (2263, 22630), (4526, 11315), (4805, 10658), (5329, 9610)]