81157816

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8753}}^1$

素因数の和:8839

約数の個数: 32

約数和(自身を含む): 162824400

約数和(自身を除く): 81666584

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 2318, 4636, 8753, 9272, 17506, 35012, 70024, 166307, 332614, 533933, 665228, 1067866, 1330456, 2135732, 4271464, 10144727, 20289454, 40578908, 81157816]

約数ペア:

[(1, 81157816), (2, 40578908), (4, 20289454), (8, 10144727), (19, 4271464), (38, 2135732), (61, 1330456), (76, 1067866), (122, 665228), (152, 533933), (244, 332614), (488, 166307), (1159, 70024), (2318, 35012), (4636, 17506), (8753, 9272)]