221884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 444528

約数和(自身を除く): 222644

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 251, 442, 502, 884, 1004, 3263, 4267, 6526, 8534, 13052, 17068, 55471, 110942, 221884]

約数ペア:

[(1, 221884), (2, 110942), (4, 55471), (13, 17068), (17, 13052), (26, 8534), (34, 6526), (52, 4267), (68, 3263), (221, 1004), (251, 884), (442, 502)]