643142864

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{14249}}^1$

素因数の和:14308

約数の個数: 80

約数和(自身を含む): 1583232000

約数和(自身を除く): 940089136

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 434, 496, 728, 806, 868, 1456, 1612, 1736, 2821, 3224, 3472, 5642, 6448, 11284, 14249, 22568, 28498, 45136, 56996, 99743, 113992, 185237, 199486, 227984, 370474, 398972, 441719, 740948, 797944, 883438, 1296659, 1481896, 1595888, 1766876, 2593318, 2963792, 3092033, 3533752, 5186636, 5742347, 6184066, 7067504, 10373272, 11484694, 12368132, 20746544, 22969388, 24736264, 40196429, 45938776, 49472528, 80392858, 91877552, 160785716, 321571432, 643142864]

約数ペア:

[(1, 643142864), (2, 321571432), (4, 160785716), (7, 91877552), (8, 80392858), (13, 49472528), (14, 45938776), (16, 40196429), (26, 24736264), (28, 22969388), (31, 20746544), (52, 12368132), (56, 11484694), (62, 10373272), (91, 7067504), (104, 6184066), (112, 5742347), (124, 5186636), (182, 3533752), (208, 3092033), (217, 2963792), (248, 2593318), (364, 1766876), (403, 1595888), (434, 1481896), (496, 1296659), (728, 883438), (806, 797944), (868, 740948), (1456, 441719), (1612, 398972), (1736, 370474), (2821, 227984), (3224, 199486), (3472, 185237), (5642, 113992), (6448, 99743), (11284, 56996), (14249, 45136), (22568, 28498)]