1298579975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{3727}}^1$

素因数の和:3936

約数の個数: 48

約数和(自身を含む): 2019204096

約数和(自身を除く): 720624121

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 181, 275, 385, 905, 1267, 1925, 1991, 3727, 4525, 6335, 9955, 13937, 18635, 26089, 31675, 40997, 49775, 69685, 93175, 130445, 204985, 286979, 348425, 652225, 674587, 1024925, 1434895, 3372935, 4722109, 7174475, 7420457, 16864675, 23610545, 37102285, 51943199, 118052725, 185511425, 259715995, 1298579975]

約数ペア:

[(1, 1298579975), (5, 259715995), (7, 185511425), (11, 118052725), (25, 51943199), (35, 37102285), (55, 23610545), (77, 16864675), (175, 7420457), (181, 7174475), (275, 4722109), (385, 3372935), (905, 1434895), (1267, 1024925), (1925, 674587), (1991, 652225), (3727, 348425), (4525, 286979), (6335, 204985), (9955, 130445), (13937, 93175), (18635, 69685), (26089, 49775), (31675, 40997)]