138121616

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{991}}^1$

素因数の和:1311

約数の個数: 40

約数和(自身を含む): 277506048

約数和(自身を除く): 139384432

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 281, 496, 562, 991, 1124, 1982, 2248, 3964, 4496, 7928, 8711, 15856, 17422, 30721, 34844, 61442, 69688, 122884, 139376, 245768, 278471, 491536, 556942, 1113884, 2227768, 4455536, 8632601, 17265202, 34530404, 69060808, 138121616]

約数ペア:

[(1, 138121616), (2, 69060808), (4, 34530404), (8, 17265202), (16, 8632601), (31, 4455536), (62, 2227768), (124, 1113884), (248, 556942), (281, 491536), (496, 278471), (562, 245768), (991, 139376), (1124, 122884), (1982, 69688), (2248, 61442), (3964, 34844), (4496, 30721), (7928, 17422), (8711, 15856)]