645288

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 1935360

約数和(自身を除く): 1290072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 138, 161, 167, 168, 184, 276, 322, 334, 483, 501, 552, 644, 668, 966, 1002, 1169, 1288, 1336, 1932, 2004, 2338, 3507, 3841, 3864, 4008, 4676, 7014, 7682, 9352, 11523, 14028, 15364, 23046, 26887, 28056, 30728, 46092, 53774, 80661, 92184, 107548, 161322, 215096, 322644, 645288]

約数ペア:

[(1, 645288), (2, 322644), (3, 215096), (4, 161322), (6, 107548), (7, 92184), (8, 80661), (12, 53774), (14, 46092), (21, 30728), (23, 28056), (24, 26887), (28, 23046), (42, 15364), (46, 14028), (56, 11523), (69, 9352), (84, 7682), (92, 7014), (138, 4676), (161, 4008), (167, 3864), (168, 3841), (184, 3507), (276, 2338), (322, 2004), (334, 1932), (483, 1336), (501, 1288), (552, 1169), (644, 1002), (668, 966)]