156979669

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 206032896

約数和(自身を除く): 49053227

約数列:

[1, 7, 11, 23, 77, 137, 161, 253, 647, 959, 1507, 1771, 3151, 4529, 7117, 10549, 14881, 22057, 34661, 49819, 88639, 104167, 163691, 242627, 620473, 975029, 1145837, 2038697, 6825203, 14270879, 22425667, 156979669]

約数ペア:

[(1, 156979669), (7, 22425667), (11, 14270879), (23, 6825203), (77, 2038697), (137, 1145837), (161, 975029), (253, 620473), (647, 242627), (959, 163691), (1507, 104167), (1771, 88639), (3151, 49819), (4529, 34661), (7117, 22057), (10549, 14881)]