215498972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{96377}}^1$

素因数の和:96437

約数の個数: 24

約数和(自身を含む): 415581936

約数和(自身を除く): 200082964

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 96377, 192754, 385508, 1252901, 2505802, 4144211, 5011604, 8288422, 16576844, 53874743, 107749486, 215498972]

約数ペア:

[(1, 215498972), (2, 107749486), (4, 53874743), (13, 16576844), (26, 8288422), (43, 5011604), (52, 4144211), (86, 2505802), (172, 1252901), (559, 385508), (1118, 192754), (2236, 96377)]