65440864

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2909}}^1$

素因数の和:2975

約数の個数: 48

約数和(自身を含む): 139330800

約数和(自身を除く): 73889936

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 74, 76, 148, 152, 296, 304, 592, 608, 703, 1184, 1406, 2812, 2909, 5624, 5818, 11248, 11636, 22496, 23272, 46544, 55271, 93088, 107633, 110542, 215266, 221084, 430532, 442168, 861064, 884336, 1722128, 1768672, 2045027, 3444256, 4090054, 8180108, 16360216, 32720432, 65440864]

約数ペア:

[(1, 65440864), (2, 32720432), (4, 16360216), (8, 8180108), (16, 4090054), (19, 3444256), (32, 2045027), (37, 1768672), (38, 1722128), (74, 884336), (76, 861064), (148, 442168), (152, 430532), (296, 221084), (304, 215266), (592, 110542), (608, 107633), (703, 93088), (1184, 55271), (1406, 46544), (2812, 23272), (2909, 22496), (5624, 11636), (5818, 11248)]