2172665215

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{19417}}^1$

素因数の和:19591

約数の個数: 32

約数和(自身を含む): 3131735040

約数和(自身を除く): 959069825

約数列:

[1, 5, 7, 23, 35, 115, 139, 161, 695, 805, 973, 3197, 4865, 15985, 19417, 22379, 97085, 111895, 135919, 446591, 679595, 2232955, 2698963, 3126137, 13494815, 15630685, 18892741, 62076149, 94463705, 310380745, 434533043, 2172665215]

約数ペア:

[(1, 2172665215), (5, 434533043), (7, 310380745), (23, 94463705), (35, 62076149), (115, 18892741), (139, 15630685), (161, 13494815), (695, 3126137), (805, 2698963), (973, 2232955), (3197, 679595), (4865, 446591), (15985, 135919), (19417, 111895), (22379, 97085)]