1305719672

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{431}}^1\times {\mathrm{1049}}^1$

素因数の和:1524

約数の個数: 48

約数和(自身を含む): 2592324000

約数和(自身を除く): 1286604328

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 431, 722, 862, 1049, 1444, 1724, 2098, 2888, 3448, 4196, 8189, 8392, 16378, 19931, 32756, 39862, 65512, 79724, 155591, 159448, 311182, 378689, 452119, 622364, 757378, 904238, 1244728, 1514756, 1808476, 3029512, 3616952, 8590261, 17180522, 34361044, 68722088, 163214959, 326429918, 652859836, 1305719672]

約数ペア:

[(1, 1305719672), (2, 652859836), (4, 326429918), (8, 163214959), (19, 68722088), (38, 34361044), (76, 17180522), (152, 8590261), (361, 3616952), (431, 3029512), (722, 1808476), (862, 1514756), (1049, 1244728), (1444, 904238), (1724, 757378), (2098, 622364), (2888, 452119), (3448, 378689), (4196, 311182), (8189, 159448), (8392, 155591), (16378, 79724), (19931, 65512), (32756, 39862)]