245701148

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1543}}^1$

素因数の和:1623

約数の個数: 72

約数和(自身を含む): 551986176

約数和(自身を除く): 306285028

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 77, 94, 121, 154, 188, 242, 308, 329, 484, 517, 658, 847, 1034, 1316, 1543, 1694, 2068, 3086, 3388, 3619, 5687, 6172, 7238, 10801, 11374, 14476, 16973, 21602, 22748, 33946, 39809, 43204, 67892, 72521, 79618, 118811, 145042, 159236, 186703, 237622, 290084, 373406, 475244, 507647, 746812, 797731, 1015294, 1306921, 1595462, 2030588, 2613842, 3190924, 5227684, 5584117, 8775041, 11168234, 17550082, 22336468, 35100164, 61425287, 122850574, 245701148]

約数ペア:

[(1, 245701148), (2, 122850574), (4, 61425287), (7, 35100164), (11, 22336468), (14, 17550082), (22, 11168234), (28, 8775041), (44, 5584117), (47, 5227684), (77, 3190924), (94, 2613842), (121, 2030588), (154, 1595462), (188, 1306921), (242, 1015294), (308, 797731), (329, 746812), (484, 507647), (517, 475244), (658, 373406), (847, 290084), (1034, 237622), (1316, 186703), (1543, 159236), (1694, 145042), (2068, 118811), (3086, 79618), (3388, 72521), (3619, 67892), (5687, 43204), (6172, 39809), (7238, 33946), (10801, 22748), (11374, 21602), (14476, 16973)]