281399742

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{557}}^1$

素因数の和:722

約数の個数: 96

約数和(自身を含む): 701955072

約数和(自身を除く): 420555330

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 127, 153, 221, 234, 254, 306, 381, 442, 557, 663, 762, 1114, 1143, 1326, 1651, 1671, 1989, 2159, 2286, 3302, 3342, 3978, 4318, 4953, 5013, 6477, 7241, 9469, 9906, 10026, 12954, 14482, 14859, 18938, 19431, 21723, 28067, 28407, 29718, 38862, 43446, 56134, 56814, 65169, 70739, 84201, 85221, 123097, 130338, 141478, 168402, 170442, 212217, 246194, 252603, 369291, 424434, 505206, 636651, 738582, 919607, 1107873, 1202563, 1273302, 1839214, 2215746, 2405126, 2758821, 3607689, 5517642, 7215378, 8276463, 10823067, 15633319, 16552926, 21646134, 31266638, 46899957, 93799914, 140699871, 281399742]

約数ペア:

[(1, 281399742), (2, 140699871), (3, 93799914), (6, 46899957), (9, 31266638), (13, 21646134), (17, 16552926), (18, 15633319), (26, 10823067), (34, 8276463), (39, 7215378), (51, 5517642), (78, 3607689), (102, 2758821), (117, 2405126), (127, 2215746), (153, 1839214), (221, 1273302), (234, 1202563), (254, 1107873), (306, 919607), (381, 738582), (442, 636651), (557, 505206), (663, 424434), (762, 369291), (1114, 252603), (1143, 246194), (1326, 212217), (1651, 170442), (1671, 168402), (1989, 141478), (2159, 130338), (2286, 123097), (3302, 85221), (3342, 84201), (3978, 70739), (4318, 65169), (4953, 56814), (5013, 56134), (6477, 43446), (7241, 38862), (9469, 29718), (9906, 28407), (10026, 28067), (12954, 21723), (14482, 19431), (14859, 18938)]