87897964

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{691}}^1$

素因数の和:779

約数の個数: 72

約数和(自身を含む): 198797760

約数和(自身を除く): 110899796

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 59, 77, 98, 118, 154, 196, 236, 308, 413, 539, 649, 691, 826, 1078, 1298, 1382, 1652, 2156, 2596, 2764, 2891, 4543, 4837, 5782, 7601, 9086, 9674, 11564, 15202, 18172, 19348, 30404, 31801, 33859, 40769, 53207, 63602, 67718, 81538, 106414, 127204, 135436, 163076, 212828, 285383, 372449, 448459, 570766, 744898, 896918, 1141532, 1489796, 1793836, 1997681, 3139213, 3995362, 6278426, 7990724, 12556852, 21974491, 43948982, 87897964]

約数ペア:

[(1, 87897964), (2, 43948982), (4, 21974491), (7, 12556852), (11, 7990724), (14, 6278426), (22, 3995362), (28, 3139213), (44, 1997681), (49, 1793836), (59, 1489796), (77, 1141532), (98, 896918), (118, 744898), (154, 570766), (196, 448459), (236, 372449), (308, 285383), (413, 212828), (539, 163076), (649, 135436), (691, 127204), (826, 106414), (1078, 81538), (1298, 67718), (1382, 63602), (1652, 53207), (2156, 40769), (2596, 33859), (2764, 31801), (2891, 30404), (4543, 19348), (4837, 18172), (5782, 15202), (7601, 11564), (9086, 9674)]