661569426

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{631}}^1$

素因数の和:856

約数の個数: 96

約数和(自身を含む): 1682373888

約数和(自身を除く): 1020804462

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 53, 63, 106, 126, 157, 159, 314, 318, 371, 471, 477, 631, 742, 942, 954, 1099, 1113, 1262, 1413, 1893, 2198, 2226, 2826, 3297, 3339, 3786, 4417, 5679, 6594, 6678, 8321, 8834, 9891, 11358, 13251, 16642, 19782, 24963, 26502, 33443, 39753, 49926, 58247, 66886, 74889, 79506, 99067, 100329, 116494, 149778, 174741, 198134, 200658, 234101, 297201, 300987, 349482, 468202, 524223, 594402, 601974, 693469, 702303, 891603, 1048446, 1386938, 1404606, 1783206, 2080407, 2106909, 4160814, 4213818, 5250551, 6241221, 10501102, 12482442, 15751653, 31503306, 36753857, 47254959, 73507714, 94509918, 110261571, 220523142, 330784713, 661569426]

約数ペア:

[(1, 661569426), (2, 330784713), (3, 220523142), (6, 110261571), (7, 94509918), (9, 73507714), (14, 47254959), (18, 36753857), (21, 31503306), (42, 15751653), (53, 12482442), (63, 10501102), (106, 6241221), (126, 5250551), (157, 4213818), (159, 4160814), (314, 2106909), (318, 2080407), (371, 1783206), (471, 1404606), (477, 1386938), (631, 1048446), (742, 891603), (942, 702303), (954, 693469), (1099, 601974), (1113, 594402), (1262, 524223), (1413, 468202), (1893, 349482), (2198, 300987), (2226, 297201), (2826, 234101), (3297, 200658), (3339, 198134), (3786, 174741), (4417, 149778), (5679, 116494), (6594, 100329), (6678, 99067), (8321, 79506), (8834, 74889), (9891, 66886), (11358, 58247), (13251, 49926), (16642, 39753), (19782, 33443), (24963, 26502)]