345020018

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 641433600

約数和(自身を除く): 296413582

約数列:

[1, 2, 7, 14, 29, 31, 58, 62, 79, 158, 203, 217, 347, 406, 434, 553, 694, 899, 1106, 1798, 2291, 2429, 2449, 4582, 4858, 4898, 6293, 10063, 10757, 12586, 16037, 17143, 20126, 21514, 27413, 32074, 34286, 54826, 70441, 71021, 75299, 140882, 142042, 150598, 191891, 311953, 383782, 497147, 623906, 794977, 849803, 994294, 1589954, 1699606, 2183671, 4367342, 5564839, 5948621, 11129678, 11897242, 24644287, 49288574, 172510009, 345020018]

約数ペア:

[(1, 345020018), (2, 172510009), (7, 49288574), (14, 24644287), (29, 11897242), (31, 11129678), (58, 5948621), (62, 5564839), (79, 4367342), (158, 2183671), (203, 1699606), (217, 1589954), (347, 994294), (406, 849803), (434, 794977), (553, 623906), (694, 497147), (899, 383782), (1106, 311953), (1798, 191891), (2291, 150598), (2429, 142042), (2449, 140882), (4582, 75299), (4858, 71021), (4898, 70441), (6293, 54826), (10063, 34286), (10757, 32074), (12586, 27413), (16037, 21514), (17143, 20126)]