638569308

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{7349}}^1$

素因数の和:7926

約数の個数: 48

約数和(自身を含む): 1607709600

約数和(自身を除く): 969140292

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 557, 1114, 1671, 2228, 3342, 6684, 7241, 7349, 14482, 14698, 21723, 22047, 28964, 29396, 43446, 44094, 86892, 88188, 95537, 191074, 286611, 382148, 573222, 1146444, 4093393, 8186786, 12280179, 16373572, 24560358, 49120716, 53214109, 106428218, 159642327, 212856436, 319284654, 638569308]

約数ペア:

[(1, 638569308), (2, 319284654), (3, 212856436), (4, 159642327), (6, 106428218), (12, 53214109), (13, 49120716), (26, 24560358), (39, 16373572), (52, 12280179), (78, 8186786), (156, 4093393), (557, 1146444), (1114, 573222), (1671, 382148), (2228, 286611), (3342, 191074), (6684, 95537), (7241, 88188), (7349, 86892), (14482, 44094), (14698, 43446), (21723, 29396), (22047, 28964)]