220121983868

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{3911}}^1\times {\mathrm{38977}}^1$

素因数の和:42930

約数の個数: 36

約数和(自身を含む): 406669323312

約数和(自身を除く): 186547339444

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 3911, 7822, 15644, 38977, 74309, 77954, 148618, 155908, 297236, 740563, 1411871, 1481126, 2823742, 2962252, 5647484, 14070697, 28141394, 56282788, 152439047, 304878094, 609756188, 2896341893, 5792683786, 11585367572, 55030495967, 110060991934, 220121983868]

約数ペア:

[(1, 220121983868), (2, 110060991934), (4, 55030495967), (19, 11585367572), (38, 5792683786), (76, 2896341893), (361, 609756188), (722, 304878094), (1444, 152439047), (3911, 56282788), (7822, 28141394), (15644, 14070697), (38977, 5647484), (74309, 2962252), (77954, 2823742), (148618, 1481126), (155908, 1411871), (297236, 740563)]