278320064

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6481}}^1$

素因数の和:6565

約数の個数: 56

約数和(自身を含む): 612471216

約数和(自身を除く): 334151152

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 61, 64, 88, 122, 176, 244, 352, 488, 671, 704, 976, 1342, 1952, 2684, 3904, 5368, 6481, 10736, 12962, 21472, 25924, 42944, 51848, 71291, 103696, 142582, 207392, 285164, 395341, 414784, 570328, 790682, 1140656, 1581364, 2281312, 3162728, 4348751, 4562624, 6325456, 8697502, 12650912, 17395004, 25301824, 34790008, 69580016, 139160032, 278320064]

約数ペア:

[(1, 278320064), (2, 139160032), (4, 69580016), (8, 34790008), (11, 25301824), (16, 17395004), (22, 12650912), (32, 8697502), (44, 6325456), (61, 4562624), (64, 4348751), (88, 3162728), (122, 2281312), (176, 1581364), (244, 1140656), (352, 790682), (488, 570328), (671, 414784), (704, 395341), (976, 285164), (1342, 207392), (1952, 142582), (2684, 103696), (3904, 71291), (5368, 51848), (6481, 42944), (10736, 25924), (12962, 21472)]