691236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 2160704

約数和(自身を除く): 1469468

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 211, 234, 252, 273, 364, 422, 468, 546, 633, 819, 844, 1092, 1266, 1477, 1638, 1899, 2532, 2743, 2954, 3276, 3798, 4431, 5486, 5908, 7596, 8229, 8862, 10972, 13293, 16458, 17724, 19201, 24687, 26586, 32916, 38402, 49374, 53172, 57603, 76804, 98748, 115206, 172809, 230412, 345618, 691236]

約数ペア:

[(1, 691236), (2, 345618), (3, 230412), (4, 172809), (6, 115206), (7, 98748), (9, 76804), (12, 57603), (13, 53172), (14, 49374), (18, 38402), (21, 32916), (26, 26586), (28, 24687), (36, 19201), (39, 17724), (42, 16458), (52, 13293), (63, 10972), (78, 8862), (84, 8229), (91, 7596), (117, 5908), (126, 5486), (156, 4431), (182, 3798), (211, 3276), (234, 2954), (252, 2743), (273, 2532), (364, 1899), (422, 1638), (468, 1477), (546, 1266), (633, 1092), (819, 844)]