208501923

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 357212160

約数和(自身を除く): 148710237

約数列:

[1, 3, 7, 17, 21, 23, 51, 67, 69, 119, 161, 201, 357, 379, 391, 469, 483, 1137, 1139, 1173, 1407, 1541, 2653, 2737, 3417, 4623, 6443, 7959, 7973, 8211, 8717, 10787, 19329, 23919, 25393, 26151, 26197, 32361, 45101, 61019, 76179, 78591, 135303, 148189, 177751, 183057, 183379, 431681, 444567, 533253, 550137, 584039, 1037323, 1295043, 1752117, 3021767, 3111969, 4088273, 9065301, 9928663, 12264819, 29785989, 69500641, 208501923]

約数ペア:

[(1, 208501923), (3, 69500641), (7, 29785989), (17, 12264819), (21, 9928663), (23, 9065301), (51, 4088273), (67, 3111969), (69, 3021767), (119, 1752117), (161, 1295043), (201, 1037323), (357, 584039), (379, 550137), (391, 533253), (469, 444567), (483, 431681), (1137, 183379), (1139, 183057), (1173, 177751), (1407, 148189), (1541, 135303), (2653, 78591), (2737, 76179), (3417, 61019), (4623, 45101), (6443, 32361), (7959, 26197), (7973, 26151), (8211, 25393), (8717, 23919), (10787, 19329)]