255798608

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{39671}}^1$

素因数の和:39723

約数の個数: 40

約数和(自身を含む): 550964736

約数和(自身を除く): 295166128

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 39671, 79342, 158684, 317368, 515723, 634736, 1031446, 1229801, 2062892, 2459602, 4125784, 4919204, 8251568, 9838408, 15987413, 19676816, 31974826, 63949652, 127899304, 255798608]

約数ペア:

[(1, 255798608), (2, 127899304), (4, 63949652), (8, 31974826), (13, 19676816), (16, 15987413), (26, 9838408), (31, 8251568), (52, 4919204), (62, 4125784), (104, 2459602), (124, 2062892), (208, 1229801), (248, 1031446), (403, 634736), (496, 515723), (806, 317368), (1612, 158684), (3224, 79342), (6448, 39671)]