687618936

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{997}}^1$

素因数の和:1146

約数の個数: 128

約数和(自身を含む): 1992806400

約数和(自身を除く): 1305187464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 93, 103, 108, 124, 186, 206, 216, 248, 279, 309, 372, 412, 558, 618, 744, 824, 837, 927, 997, 1116, 1236, 1674, 1854, 1994, 2232, 2472, 2781, 2991, 3193, 3348, 3708, 3988, 5562, 5982, 6386, 6696, 7416, 7976, 8973, 9579, 11124, 11964, 12772, 17946, 19158, 22248, 23928, 25544, 26919, 28737, 30907, 35892, 38316, 53838, 57474, 61814, 71784, 76632, 86211, 92721, 102691, 107676, 114948, 123628, 172422, 185442, 205382, 215352, 229896, 247256, 278163, 308073, 344844, 370884, 410764, 556326, 616146, 689688, 741768, 821528, 834489, 924219, 1112652, 1232292, 1668978, 1848438, 2225304, 2464584, 2772657, 3183421, 3337956, 3696876, 5545314, 6366842, 6675912, 7393752, 9550263, 11090628, 12733684, 19100526, 22181256, 25467368, 28650789, 38201052, 57301578, 76402104, 85952367, 114603156, 171904734, 229206312, 343809468, 687618936]

約数ペア:

[(1, 687618936), (2, 343809468), (3, 229206312), (4, 171904734), (6, 114603156), (8, 85952367), (9, 76402104), (12, 57301578), (18, 38201052), (24, 28650789), (27, 25467368), (31, 22181256), (36, 19100526), (54, 12733684), (62, 11090628), (72, 9550263), (93, 7393752), (103, 6675912), (108, 6366842), (124, 5545314), (186, 3696876), (206, 3337956), (216, 3183421), (248, 2772657), (279, 2464584), (309, 2225304), (372, 1848438), (412, 1668978), (558, 1232292), (618, 1112652), (744, 924219), (824, 834489), (837, 821528), (927, 741768), (997, 689688), (1116, 616146), (1236, 556326), (1674, 410764), (1854, 370884), (1994, 344844), (2232, 308073), (2472, 278163), (2781, 247256), (2991, 229896), (3193, 215352), (3348, 205382), (3708, 185442), (3988, 172422), (5562, 123628), (5982, 114948), (6386, 107676), (6696, 102691), (7416, 92721), (7976, 86211), (8973, 76632), (9579, 71784), (11124, 61814), (11964, 57474), (12772, 53838), (17946, 38316), (19158, 35892), (22248, 30907), (23928, 28737), (25544, 26919)]