219660868

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 446431104

約数和(自身を除く): 226770236

約数列:

[1, 2, 4, 7, 14, 28, 137, 173, 274, 331, 346, 548, 662, 692, 959, 1211, 1324, 1918, 2317, 2422, 3836, 4634, 4844, 9268, 23701, 45347, 47402, 57263, 90694, 94804, 114526, 165907, 181388, 229052, 317429, 331814, 400841, 634858, 663628, 801682, 1269716, 1603364, 7845031, 15690062, 31380124, 54915217, 109830434, 219660868]

約数ペア:

[(1, 219660868), (2, 109830434), (4, 54915217), (7, 31380124), (14, 15690062), (28, 7845031), (137, 1603364), (173, 1269716), (274, 801682), (331, 663628), (346, 634858), (548, 400841), (662, 331814), (692, 317429), (959, 229052), (1211, 181388), (1324, 165907), (1918, 114526), (2317, 94804), (2422, 90694), (3836, 57263), (4634, 47402), (4844, 45347), (9268, 23701)]