11971060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 26916624

約数和(自身を除く): 14945564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 137, 170, 257, 274, 340, 514, 548, 685, 1028, 1285, 1370, 2329, 2570, 2740, 4369, 4658, 5140, 8738, 9316, 11645, 17476, 21845, 23290, 35209, 43690, 46580, 70418, 87380, 140836, 176045, 352090, 598553, 704180, 1197106, 2394212, 2992765, 5985530, 11971060]

約数ペア:

[(1, 11971060), (2, 5985530), (4, 2992765), (5, 2394212), (10, 1197106), (17, 704180), (20, 598553), (34, 352090), (68, 176045), (85, 140836), (137, 87380), (170, 70418), (257, 46580), (274, 43690), (340, 35209), (514, 23290), (548, 21845), (685, 17476), (1028, 11645), (1285, 9316), (1370, 8738), (2329, 5140), (2570, 4658), (2740, 4369)]