289301245

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{389}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 377395200

約数和(自身を除く): 88093955

約数列:

[1, 5, 23, 29, 115, 145, 223, 389, 667, 1115, 1945, 3335, 5129, 6467, 8947, 11281, 25645, 32335, 44735, 56405, 86747, 148741, 259463, 433735, 743705, 1297315, 1995181, 2515663, 9975905, 12578315, 57860249, 289301245]

約数ペア:

[(1, 289301245), (5, 57860249), (23, 12578315), (29, 9975905), (115, 2515663), (145, 1995181), (223, 1297315), (389, 743705), (667, 433735), (1115, 259463), (1945, 148741), (3335, 86747), (5129, 56405), (6467, 44735), (8947, 32335), (11281, 25645)]