156921532

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 298045440

約数和(自身を除く): 141123908

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 197, 223, 394, 446, 788, 892, 893, 1786, 3572, 3743, 4237, 7486, 8474, 9259, 10481, 14972, 16948, 18518, 20962, 37036, 41924, 43931, 87862, 175724, 175921, 199139, 351842, 398278, 703684, 796556, 834689, 1669378, 2064757, 3338756, 4129514, 8259028, 39230383, 78460766, 156921532]

約数ペア:

[(1, 156921532), (2, 78460766), (4, 39230383), (19, 8259028), (38, 4129514), (47, 3338756), (76, 2064757), (94, 1669378), (188, 834689), (197, 796556), (223, 703684), (394, 398278), (446, 351842), (788, 199139), (892, 175921), (893, 175724), (1786, 87862), (3572, 43931), (3743, 41924), (4237, 37036), (7486, 20962), (8474, 18518), (9259, 16948), (10481, 14972)]