209637372

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{193}}^2$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 570331776

約数和(自身を除く): 360694404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 67, 84, 134, 193, 201, 268, 386, 402, 469, 579, 772, 804, 938, 1158, 1351, 1407, 1876, 2316, 2702, 2814, 4053, 5404, 5628, 8106, 12931, 16212, 25862, 37249, 38793, 51724, 74498, 77586, 90517, 111747, 148996, 155172, 181034, 223494, 260743, 271551, 362068, 446988, 521486, 543102, 782229, 1042972, 1086204, 1564458, 2495683, 3128916, 4991366, 7487049, 9982732, 14974098, 17469781, 29948196, 34939562, 52409343, 69879124, 104818686, 209637372]

約数ペア:

[(1, 209637372), (2, 104818686), (3, 69879124), (4, 52409343), (6, 34939562), (7, 29948196), (12, 17469781), (14, 14974098), (21, 9982732), (28, 7487049), (42, 4991366), (67, 3128916), (84, 2495683), (134, 1564458), (193, 1086204), (201, 1042972), (268, 782229), (386, 543102), (402, 521486), (469, 446988), (579, 362068), (772, 271551), (804, 260743), (938, 223494), (1158, 181034), (1351, 155172), (1407, 148996), (1876, 111747), (2316, 90517), (2702, 77586), (2814, 74498), (4053, 51724), (5404, 38793), (5628, 37249), (8106, 25862), (12931, 16212)]