1291289456

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{1231}}^1\times {\mathrm{1237}}^1$

素因数の和:2529

約数の個数: 40

約数和(自身を含む): 2553211584

約数和(自身を除く): 1261922128

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 1231, 1237, 2462, 2474, 4924, 4948, 9848, 9896, 19696, 19792, 65243, 65561, 130486, 131122, 260972, 262244, 521944, 524488, 1043888, 1048976, 1522747, 3045494, 6090988, 12181976, 24363952, 80705591, 161411182, 322822364, 645644728, 1291289456]

約数ペア:

[(1, 1291289456), (2, 645644728), (4, 322822364), (8, 161411182), (16, 80705591), (53, 24363952), (106, 12181976), (212, 6090988), (424, 3045494), (848, 1522747), (1231, 1048976), (1237, 1043888), (2462, 524488), (2474, 521944), (4924, 262244), (4948, 260972), (9848, 131122), (9896, 130486), (19696, 65561), (19792, 65243)]