257448

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 682560

約数和(自身を除く): 425112

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 631, 1262, 1893, 2524, 3786, 5048, 7572, 10727, 15144, 21454, 32181, 42908, 64362, 85816, 128724, 257448]

約数ペア:

[(1, 257448), (2, 128724), (3, 85816), (4, 64362), (6, 42908), (8, 32181), (12, 21454), (17, 15144), (24, 10727), (34, 7572), (51, 5048), (68, 3786), (102, 2524), (136, 1893), (204, 1262), (408, 631)]