661654654

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1\times {\mathrm{457}}^1$

素因数の和:1012

約数の個数: 32

約数和(自身を含む): 1066443840

約数和(自身を除く): 404789186

約数列:

[1, 2, 17, 34, 97, 194, 439, 457, 878, 914, 1649, 3298, 7463, 7769, 14926, 15538, 42583, 44329, 85166, 88658, 200623, 401246, 723911, 753593, 1447822, 1507186, 3410591, 6821182, 19460431, 38920862, 330827327, 661654654]

約数ペア:

[(1, 661654654), (2, 330827327), (17, 38920862), (34, 19460431), (97, 6821182), (194, 3410591), (439, 1507186), (457, 1447822), (878, 753593), (914, 723911), (1649, 401246), (3298, 200623), (7463, 88658), (7769, 85166), (14926, 44329), (15538, 42583)]