220379248

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{691}}^1$

素因数の和:1373

約数の個数: 40

約数和(自身を含む): 442082816

約数和(自身を除く): 221703568

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 643, 691, 1286, 1382, 2572, 2764, 5144, 5528, 10288, 11056, 19933, 21421, 39866, 42842, 79732, 85684, 159464, 171368, 318928, 342736, 444313, 888626, 1777252, 3554504, 7109008, 13773703, 27547406, 55094812, 110189624, 220379248]

約数ペア:

[(1, 220379248), (2, 110189624), (4, 55094812), (8, 27547406), (16, 13773703), (31, 7109008), (62, 3554504), (124, 1777252), (248, 888626), (496, 444313), (643, 342736), (691, 318928), (1286, 171368), (1382, 159464), (2572, 85684), (2764, 79732), (5144, 42842), (5528, 39866), (10288, 21421), (11056, 19933)]