81841132

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 158457600

約数和(自身を除く): 76616468

約数列:

[1, 2, 4, 19, 29, 38, 58, 71, 76, 116, 142, 284, 523, 551, 1046, 1102, 1349, 2059, 2092, 2204, 2698, 4118, 5396, 8236, 9937, 15167, 19874, 30334, 37133, 39121, 39748, 60668, 74266, 78242, 148532, 156484, 288173, 576346, 705527, 1076857, 1152692, 1411054, 2153714, 2822108, 4307428, 20460283, 40920566, 81841132]

約数ペア:

[(1, 81841132), (2, 40920566), (4, 20460283), (19, 4307428), (29, 2822108), (38, 2153714), (58, 1411054), (71, 1152692), (76, 1076857), (116, 705527), (142, 576346), (284, 288173), (523, 156484), (551, 148532), (1046, 78242), (1102, 74266), (1349, 60668), (2059, 39748), (2092, 39121), (2204, 37133), (2698, 30334), (4118, 19874), (5396, 15167), (8236, 9937)]