28317688

素因数分解:

$2^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 66484800

約数和(自身を除く): 38167112

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 47, 49, 53, 56, 58, 94, 98, 106, 116, 188, 196, 203, 212, 232, 329, 371, 376, 392, 406, 424, 658, 742, 812, 1316, 1363, 1421, 1484, 1537, 1624, 2303, 2491, 2597, 2632, 2726, 2842, 2968, 3074, 4606, 4982, 5194, 5452, 5684, 6148, 9212, 9541, 9964, 10388, 10759, 10904, 11368, 12296, 17437, 18424, 19082, 19928, 20776, 21518, 34874, 38164, 43036, 66787, 69748, 72239, 75313, 76328, 86072, 122059, 133574, 139496, 144478, 150626, 244118, 267148, 288956, 301252, 488236, 505673, 534296, 577912, 602504, 976472, 1011346, 2022692, 3539711, 4045384, 7079422, 14158844, 28317688]

約数ペア:

[(1, 28317688), (2, 14158844), (4, 7079422), (7, 4045384), (8, 3539711), (14, 2022692), (28, 1011346), (29, 976472), (47, 602504), (49, 577912), (53, 534296), (56, 505673), (58, 488236), (94, 301252), (98, 288956), (106, 267148), (116, 244118), (188, 150626), (196, 144478), (203, 139496), (212, 133574), (232, 122059), (329, 86072), (371, 76328), (376, 75313), (392, 72239), (406, 69748), (424, 66787), (658, 43036), (742, 38164), (812, 34874), (1316, 21518), (1363, 20776), (1421, 19928), (1484, 19082), (1537, 18424), (1624, 17437), (2303, 12296), (2491, 11368), (2597, 10904), (2632, 10759), (2726, 10388), (2842, 9964), (2968, 9541), (3074, 9212), (4606, 6148), (4982, 5684), (5194, 5452)]