81581896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{827}}^1$

素因数の和:922

約数の個数: 64

約数和(自身を含む): 178848000

約数和(自身を除く): 97266104

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 59, 76, 88, 118, 152, 209, 236, 418, 472, 649, 827, 836, 1121, 1298, 1654, 1672, 2242, 2596, 3308, 4484, 5192, 6616, 8968, 9097, 12331, 15713, 18194, 24662, 31426, 36388, 48793, 49324, 62852, 72776, 97586, 98648, 125704, 172843, 195172, 345686, 390344, 536723, 691372, 927067, 1073446, 1382744, 1854134, 2146892, 3708268, 4293784, 7416536, 10197737, 20395474, 40790948, 81581896]

約数ペア:

[(1, 81581896), (2, 40790948), (4, 20395474), (8, 10197737), (11, 7416536), (19, 4293784), (22, 3708268), (38, 2146892), (44, 1854134), (59, 1382744), (76, 1073446), (88, 927067), (118, 691372), (152, 536723), (209, 390344), (236, 345686), (418, 195172), (472, 172843), (649, 125704), (827, 98648), (836, 97586), (1121, 72776), (1298, 62852), (1654, 49324), (1672, 48793), (2242, 36388), (2596, 31426), (3308, 24662), (4484, 18194), (5192, 15713), (6616, 12331), (8968, 9097)]