2189287009

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 2784668544

約数和(自身を除く): 595381535

約数列:

[1, 7, 13, 73, 91, 101, 169, 251, 511, 707, 949, 1183, 1313, 1757, 3263, 6643, 7373, 9191, 12337, 17069, 18323, 22841, 25351, 42419, 51611, 86359, 95849, 119483, 128261, 177457, 238199, 296933, 329563, 670943, 1246037, 1667393, 1850623, 2306941, 3096587, 4284319, 8722259, 12954361, 21676109, 24058099, 29990233, 168406693, 312755287, 2189287009]

約数ペア:

[(1, 2189287009), (7, 312755287), (13, 168406693), (73, 29990233), (91, 24058099), (101, 21676109), (169, 12954361), (251, 8722259), (511, 4284319), (707, 3096587), (949, 2306941), (1183, 1850623), (1313, 1667393), (1757, 1246037), (3263, 670943), (6643, 329563), (7373, 296933), (9191, 238199), (12337, 177457), (17069, 128261), (18323, 119483), (22841, 95849), (25351, 86359), (42419, 51611)]