77638384

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{997}}^1$

素因数の和:1193

約数の個数: 40

約数和(自身を含む): 156422528

約数和(自身を除く): 78784144

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 157, 248, 314, 496, 628, 997, 1256, 1994, 2512, 3988, 4867, 7976, 9734, 15952, 19468, 30907, 38936, 61814, 77872, 123628, 156529, 247256, 313058, 494512, 626116, 1252232, 2504464, 4852399, 9704798, 19409596, 38819192, 77638384]

約数ペア:

[(1, 77638384), (2, 38819192), (4, 19409596), (8, 9704798), (16, 4852399), (31, 2504464), (62, 1252232), (124, 626116), (157, 494512), (248, 313058), (314, 247256), (496, 156529), (628, 123628), (997, 77872), (1256, 61814), (1994, 38936), (2512, 30907), (3988, 19468), (4867, 15952), (7976, 9734)]