1721587764

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{208223}}^1$

素因数の和:208296

約数の個数: 48

約数和(自身を含む): 4407685632

約数和(自身を除く): 2686097868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 212, 318, 636, 689, 1378, 2067, 2756, 4134, 8268, 208223, 416446, 624669, 832892, 1249338, 2498676, 2706899, 5413798, 8120697, 10827596, 11035819, 16241394, 22071638, 32482788, 33107457, 44143276, 66214914, 132429828, 143465647, 286931294, 430396941, 573862588, 860793882, 1721587764]

約数ペア:

[(1, 1721587764), (2, 860793882), (3, 573862588), (4, 430396941), (6, 286931294), (12, 143465647), (13, 132429828), (26, 66214914), (39, 44143276), (52, 33107457), (53, 32482788), (78, 22071638), (106, 16241394), (156, 11035819), (159, 10827596), (212, 8120697), (318, 5413798), (636, 2706899), (689, 2498676), (1378, 1249338), (2067, 832892), (2756, 624669), (4134, 416446), (8268, 208223)]