1799689904

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{21139}}^1$

素因数の和:21477

約数の個数: 40

約数和(自身を含む): 3703981680

約数和(自身を除く): 1904291776

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 313, 626, 1252, 2504, 5008, 5321, 10642, 21139, 21284, 42278, 42568, 84556, 85136, 169112, 338224, 359363, 718726, 1437452, 2874904, 5749808, 6616507, 13233014, 26466028, 52932056, 105864112, 112480619, 224961238, 449922476, 899844952, 1799689904]

約数ペア:

[(1, 1799689904), (2, 899844952), (4, 449922476), (8, 224961238), (16, 112480619), (17, 105864112), (34, 52932056), (68, 26466028), (136, 13233014), (272, 6616507), (313, 5749808), (626, 2874904), (1252, 1437452), (2504, 718726), (5008, 359363), (5321, 338224), (10642, 169112), (21139, 85136), (21284, 84556), (42278, 42568)]