31590896

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 80

約数和(自身を含む): 69040224

約数和(自身を除く): 37449328

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 43, 68, 73, 74, 86, 136, 146, 148, 172, 272, 292, 296, 344, 584, 592, 629, 688, 731, 1168, 1241, 1258, 1462, 1591, 2482, 2516, 2701, 2924, 3139, 3182, 4964, 5032, 5402, 5848, 6278, 6364, 9928, 10064, 10804, 11696, 12556, 12728, 19856, 21608, 25112, 25456, 27047, 43216, 45917, 50224, 53363, 54094, 91834, 106726, 108188, 116143, 183668, 213452, 216376, 232286, 367336, 426904, 432752, 464572, 734672, 853808, 929144, 1858288, 1974431, 3948862, 7897724, 15795448, 31590896]

約数ペア:

[(1, 31590896), (2, 15795448), (4, 7897724), (8, 3948862), (16, 1974431), (17, 1858288), (34, 929144), (37, 853808), (43, 734672), (68, 464572), (73, 432752), (74, 426904), (86, 367336), (136, 232286), (146, 216376), (148, 213452), (172, 183668), (272, 116143), (292, 108188), (296, 106726), (344, 91834), (584, 54094), (592, 53363), (629, 50224), (688, 45917), (731, 43216), (1168, 27047), (1241, 25456), (1258, 25112), (1462, 21608), (1591, 19856), (2482, 12728), (2516, 12556), (2701, 11696), (2924, 10804), (3139, 10064), (3182, 9928), (4964, 6364), (5032, 6278), (5402, 5848)]