66135712

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1993}}^1$

素因数の和:2081

約数の個数: 48

約数和(自身を含む): 140194152

約数和(自身を除く): 74058440

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 68, 122, 136, 244, 272, 488, 544, 976, 1037, 1952, 1993, 2074, 3986, 4148, 7972, 8296, 15944, 16592, 31888, 33184, 33881, 63776, 67762, 121573, 135524, 243146, 271048, 486292, 542096, 972584, 1084192, 1945168, 2066741, 3890336, 4133482, 8266964, 16533928, 33067856, 66135712]

約数ペア:

[(1, 66135712), (2, 33067856), (4, 16533928), (8, 8266964), (16, 4133482), (17, 3890336), (32, 2066741), (34, 1945168), (61, 1084192), (68, 972584), (122, 542096), (136, 486292), (244, 271048), (272, 243146), (488, 135524), (544, 121573), (976, 67762), (1037, 63776), (1952, 33881), (1993, 33184), (2074, 31888), (3986, 16592), (4148, 15944), (7972, 8296)]