81841892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 165580800

約数和(自身を除く): 83738908

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 223, 418, 439, 446, 836, 878, 892, 1756, 2453, 4237, 4829, 4906, 8341, 8474, 9658, 9812, 16682, 16948, 19316, 33364, 46607, 91751, 93214, 97897, 183502, 186428, 195794, 367004, 391588, 1076867, 1860043, 2153734, 3720086, 4307468, 7440172, 20460473, 40920946, 81841892]

約数ペア:

[(1, 81841892), (2, 40920946), (4, 20460473), (11, 7440172), (19, 4307468), (22, 3720086), (38, 2153734), (44, 1860043), (76, 1076867), (209, 391588), (223, 367004), (418, 195794), (439, 186428), (446, 183502), (836, 97897), (878, 93214), (892, 91751), (1756, 46607), (2453, 33364), (4237, 19316), (4829, 16948), (4906, 16682), (8341, 9812), (8474, 9658)]