218990928

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{350947}}^1$

素因数の和:350971

約数の個数: 40

約数和(自身を含む): 609245728

約数和(自身を除く): 390254800

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 350947, 701894, 1052841, 1403788, 2105682, 2807576, 4211364, 4562311, 5615152, 8422728, 9124622, 13686933, 16845456, 18249244, 27373866, 36498488, 54747732, 72996976, 109495464, 218990928]

約数ペア:

[(1, 218990928), (2, 109495464), (3, 72996976), (4, 54747732), (6, 36498488), (8, 27373866), (12, 18249244), (13, 16845456), (16, 13686933), (24, 9124622), (26, 8422728), (39, 5615152), (48, 4562311), (52, 4211364), (78, 2807576), (104, 2105682), (156, 1403788), (208, 1052841), (312, 701894), (624, 350947)]