254979712

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4943}}^1$

素因数の和:5001

約数の個数: 64

約数和(自身を含む): 564802560

約数和(自身を除く): 309822848

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 3224, 3968, 4943, 6448, 9886, 12896, 19772, 25792, 39544, 51584, 64259, 79088, 128518, 153233, 158176, 257036, 306466, 316352, 514072, 612932, 632704, 1028144, 1225864, 1992029, 2056288, 2451728, 3984058, 4112576, 4903456, 7968116, 8225152, 9806912, 15936232, 19613824, 31872464, 63744928, 127489856, 254979712]

約数ペア:

[(1, 254979712), (2, 127489856), (4, 63744928), (8, 31872464), (13, 19613824), (16, 15936232), (26, 9806912), (31, 8225152), (32, 7968116), (52, 4903456), (62, 4112576), (64, 3984058), (104, 2451728), (124, 2056288), (128, 1992029), (208, 1225864), (248, 1028144), (403, 632704), (416, 612932), (496, 514072), (806, 316352), (832, 306466), (992, 257036), (1612, 158176), (1664, 153233), (1984, 128518), (3224, 79088), (3968, 64259), (4943, 51584), (6448, 39544), (9886, 25792), (12896, 19772)]