164640008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 346214400

約数和(自身を除く): 181574392

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 223, 229, 248, 403, 446, 458, 806, 892, 916, 1612, 1784, 1832, 2899, 2977, 3224, 5798, 5954, 6913, 7099, 11596, 11908, 13826, 14198, 23192, 23816, 27652, 28396, 51067, 55304, 56792, 89869, 92287, 102134, 179738, 184574, 204268, 359476, 369148, 408536, 663871, 718952, 738296, 1327742, 1583077, 2655484, 3166154, 5310968, 6332308, 12664616, 20580001, 41160002, 82320004, 164640008]

約数ペア:

[(1, 164640008), (2, 82320004), (4, 41160002), (8, 20580001), (13, 12664616), (26, 6332308), (31, 5310968), (52, 3166154), (62, 2655484), (104, 1583077), (124, 1327742), (223, 738296), (229, 718952), (248, 663871), (403, 408536), (446, 369148), (458, 359476), (806, 204268), (892, 184574), (916, 179738), (1612, 102134), (1784, 92287), (1832, 89869), (2899, 56792), (2977, 55304), (3224, 51067), (5798, 28396), (5954, 27652), (6913, 23816), (7099, 23192), (11596, 14198), (11908, 13826)]