215410312

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{7643}}^1$

素因数の和:7933

約数の個数: 32

約数和(自身を含む): 436625280

約数和(自身を除く): 221214968

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 271, 542, 1084, 2168, 3523, 7046, 7643, 14092, 15286, 28184, 30572, 61144, 99359, 198718, 397436, 794872, 2071253, 4142506, 8285012, 16570024, 26926289, 53852578, 107705156, 215410312]

約数ペア:

[(1, 215410312), (2, 107705156), (4, 53852578), (8, 26926289), (13, 16570024), (26, 8285012), (52, 4142506), (104, 2071253), (271, 794872), (542, 397436), (1084, 198718), (2168, 99359), (3523, 61144), (7046, 30572), (7643, 28184), (14092, 15286)]