1291275590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1\times {\mathrm{727}}^1$

素因数の和:1053

約数の個数: 64

約数和(自身を含む): 2587673088

約数和(自身を除く): 1296397498

約数列:

[1, 2, 5, 10, 11, 22, 55, 67, 110, 134, 241, 335, 482, 670, 727, 737, 1205, 1454, 1474, 2410, 2651, 3635, 3685, 5302, 7270, 7370, 7997, 13255, 15994, 16147, 26510, 32294, 39985, 48709, 79970, 80735, 97418, 161470, 175207, 177617, 243545, 350414, 355234, 487090, 535799, 876035, 888085, 1071598, 1752070, 1776170, 1927277, 2678995, 3854554, 5357990, 9636385, 11738869, 19272770, 23477738, 58694345, 117388690, 129127559, 258255118, 645637795, 1291275590]

約数ペア:

[(1, 1291275590), (2, 645637795), (5, 258255118), (10, 129127559), (11, 117388690), (22, 58694345), (55, 23477738), (67, 19272770), (110, 11738869), (134, 9636385), (241, 5357990), (335, 3854554), (482, 2678995), (670, 1927277), (727, 1776170), (737, 1752070), (1205, 1071598), (1454, 888085), (1474, 876035), (2410, 535799), (2651, 487090), (3635, 355234), (3685, 350414), (5302, 243545), (7270, 177617), (7370, 175207), (7997, 161470), (13255, 97418), (15994, 80735), (16147, 79970), (26510, 48709), (32294, 39985)]