627648128

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{631}}^1$

素因数の和:1073

約数の個数: 64

約数和(自身を含む): 1321512000

約数和(自身を除く): 693863872

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 409, 608, 631, 818, 1216, 1262, 1636, 2432, 2524, 3272, 5048, 6544, 7771, 10096, 11989, 13088, 15542, 20192, 23978, 26176, 31084, 40384, 47956, 52352, 62168, 80768, 95912, 124336, 191824, 248672, 258079, 383648, 497344, 516158, 767296, 994688, 1032316, 1534592, 2064632, 4129264, 4903501, 8258528, 9807002, 16517056, 19614004, 33034112, 39228008, 78456016, 156912032, 313824064, 627648128]

約数ペア:

[(1, 627648128), (2, 313824064), (4, 156912032), (8, 78456016), (16, 39228008), (19, 33034112), (32, 19614004), (38, 16517056), (64, 9807002), (76, 8258528), (128, 4903501), (152, 4129264), (304, 2064632), (409, 1534592), (608, 1032316), (631, 994688), (818, 767296), (1216, 516158), (1262, 497344), (1636, 383648), (2432, 258079), (2524, 248672), (3272, 191824), (5048, 124336), (6544, 95912), (7771, 80768), (10096, 62168), (11989, 52352), (13088, 47956), (15542, 40384), (20192, 31084), (23978, 26176)]