643258048

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{2729}}^1$

素因数の和:2897

約数の個数: 56

約数和(自身を含む): 1331366400

約数和(自身を除く): 688108352

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 127, 232, 254, 464, 508, 928, 1016, 1856, 2032, 2729, 3683, 4064, 5458, 7366, 8128, 10916, 14732, 21832, 29464, 43664, 58928, 79141, 87328, 117856, 158282, 174656, 235712, 316564, 346583, 633128, 693166, 1266256, 1386332, 2532512, 2772664, 5065024, 5545328, 10050907, 11090656, 20101814, 22181312, 40203628, 80407256, 160814512, 321629024, 643258048]

約数ペア:

[(1, 643258048), (2, 321629024), (4, 160814512), (8, 80407256), (16, 40203628), (29, 22181312), (32, 20101814), (58, 11090656), (64, 10050907), (116, 5545328), (127, 5065024), (232, 2772664), (254, 2532512), (464, 1386332), (508, 1266256), (928, 693166), (1016, 633128), (1856, 346583), (2032, 316564), (2729, 235712), (3683, 174656), (4064, 158282), (5458, 117856), (7366, 87328), (8128, 79141), (10916, 58928), (14732, 43664), (21832, 29464)]