128378049410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{259943}}^1$

素因数の和:260123

約数の個数: 64

約数和(自身を含む): 259403316480

約数和(自身を除く): 131025267070

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 131, 145, 262, 290, 377, 655, 754, 1310, 1703, 1885, 3406, 3770, 3799, 7598, 8515, 17030, 18995, 37990, 49387, 98774, 246935, 259943, 493870, 519886, 1299715, 2599430, 3379259, 6758518, 7538347, 15076694, 16896295, 33792590, 34052533, 37691735, 68105066, 75383470, 97998511, 170262665, 195997022, 340525330, 442682929, 489992555, 885365858, 979985110, 987523457, 1975046914, 2213414645, 4426829290, 4937617285, 9875234570, 12837804941, 25675609882, 64189024705, 128378049410]

約数ペア:

[(1, 128378049410), (2, 64189024705), (5, 25675609882), (10, 12837804941), (13, 9875234570), (26, 4937617285), (29, 4426829290), (58, 2213414645), (65, 1975046914), (130, 987523457), (131, 979985110), (145, 885365858), (262, 489992555), (290, 442682929), (377, 340525330), (655, 195997022), (754, 170262665), (1310, 97998511), (1703, 75383470), (1885, 68105066), (3406, 37691735), (3770, 34052533), (3799, 33792590), (7598, 16896295), (8515, 15076694), (17030, 7538347), (18995, 6758518), (37990, 3379259), (49387, 2599430), (98774, 1299715), (246935, 519886), (259943, 493870)]