27720856778

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{6421}}^1$

素因数の和:6663

約数の個数: 64

約数和(自身を含む): 47773514880

約数和(自身を除く): 20052658102

約数列:

[1, 2, 17, 19, 34, 38, 41, 82, 163, 323, 326, 646, 697, 779, 1394, 1558, 2771, 3097, 5542, 6194, 6421, 6683, 12842, 13243, 13366, 26486, 52649, 105298, 109157, 113611, 121999, 126977, 218314, 227222, 243998, 253954, 263261, 526522, 1046623, 2073983, 2093246, 2158609, 4147966, 4317218, 4475437, 5001959, 8950874, 10003918, 17792591, 19885837, 35585182, 39771674, 42911543, 85033303, 85823086, 170066606, 338059229, 676118458, 729496231, 815319317, 1458992462, 1630638634, 13860428389, 27720856778]

約数ペア:

[(1, 27720856778), (2, 13860428389), (17, 1630638634), (19, 1458992462), (34, 815319317), (38, 729496231), (41, 676118458), (82, 338059229), (163, 170066606), (323, 85823086), (326, 85033303), (646, 42911543), (697, 39771674), (779, 35585182), (1394, 19885837), (1558, 17792591), (2771, 10003918), (3097, 8950874), (5542, 5001959), (6194, 4475437), (6421, 4317218), (6683, 4147966), (12842, 2158609), (13243, 2093246), (13366, 2073983), (26486, 1046623), (52649, 526522), (105298, 263261), (109157, 253954), (113611, 243998), (121999, 227222), (126977, 218314)]