257383544

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{577}}^1$

素因数の和:768

約数の個数: 64

約数和(自身を含む): 545585760

約数和(自身を除く): 288202216

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 137, 148, 274, 296, 407, 548, 577, 814, 1096, 1154, 1507, 1628, 2308, 3014, 3256, 4616, 5069, 6028, 6347, 10138, 12056, 12694, 20276, 21349, 25388, 40552, 42698, 50776, 55759, 79049, 85396, 111518, 158098, 170792, 223036, 234839, 316196, 446072, 469678, 632392, 869539, 939356, 1739078, 1878712, 2924813, 3478156, 5849626, 6956312, 11699252, 23398504, 32172943, 64345886, 128691772, 257383544]

約数ペア:

[(1, 257383544), (2, 128691772), (4, 64345886), (8, 32172943), (11, 23398504), (22, 11699252), (37, 6956312), (44, 5849626), (74, 3478156), (88, 2924813), (137, 1878712), (148, 1739078), (274, 939356), (296, 869539), (407, 632392), (548, 469678), (577, 446072), (814, 316196), (1096, 234839), (1154, 223036), (1507, 170792), (1628, 158098), (2308, 111518), (3014, 85396), (3256, 79049), (4616, 55759), (5069, 50776), (6028, 42698), (6347, 40552), (10138, 25388), (12056, 21349), (12694, 20276)]