621107072

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{997}}^1$

素因数の和:1199

約数の個数: 64

約数和(自身を含む): 1286701440

約数和(自身を除く): 665594368

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 157, 248, 314, 496, 628, 992, 997, 1256, 1984, 1994, 2512, 3968, 3988, 4867, 5024, 7976, 9734, 10048, 15952, 19468, 20096, 30907, 31904, 38936, 61814, 63808, 77872, 123628, 127616, 155744, 156529, 247256, 311488, 313058, 494512, 622976, 626116, 989024, 1252232, 1978048, 2504464, 3956096, 4852399, 5008928, 9704798, 10017856, 19409596, 20035712, 38819192, 77638384, 155276768, 310553536, 621107072]

約数ペア:

[(1, 621107072), (2, 310553536), (4, 155276768), (8, 77638384), (16, 38819192), (31, 20035712), (32, 19409596), (62, 10017856), (64, 9704798), (124, 5008928), (128, 4852399), (157, 3956096), (248, 2504464), (314, 1978048), (496, 1252232), (628, 989024), (992, 626116), (997, 622976), (1256, 494512), (1984, 313058), (1994, 311488), (2512, 247256), (3968, 156529), (3988, 155744), (4867, 127616), (5024, 123628), (7976, 77872), (9734, 63808), (10048, 61814), (15952, 38936), (19468, 31904), (20096, 30907)]