28491036

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 79672320

約数和(自身を除く): 51181284

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 89, 103, 111, 148, 178, 206, 222, 259, 267, 309, 356, 412, 444, 518, 534, 618, 623, 721, 777, 1036, 1068, 1236, 1246, 1442, 1554, 1869, 2163, 2492, 2884, 3108, 3293, 3738, 3811, 4326, 6586, 7476, 7622, 8652, 9167, 9879, 11433, 13172, 15244, 18334, 19758, 22866, 23051, 26677, 27501, 36668, 39516, 45732, 46102, 53354, 55002, 64169, 69153, 80031, 92204, 106708, 110004, 128338, 138306, 160062, 192507, 256676, 276612, 320124, 339179, 385014, 678358, 770028, 1017537, 1356716, 2035074, 2374253, 4070148, 4748506, 7122759, 9497012, 14245518, 28491036]

約数ペア:

[(1, 28491036), (2, 14245518), (3, 9497012), (4, 7122759), (6, 4748506), (7, 4070148), (12, 2374253), (14, 2035074), (21, 1356716), (28, 1017537), (37, 770028), (42, 678358), (74, 385014), (84, 339179), (89, 320124), (103, 276612), (111, 256676), (148, 192507), (178, 160062), (206, 138306), (222, 128338), (259, 110004), (267, 106708), (309, 92204), (356, 80031), (412, 69153), (444, 64169), (518, 55002), (534, 53354), (618, 46102), (623, 45732), (721, 39516), (777, 36668), (1036, 27501), (1068, 26677), (1236, 23051), (1246, 22866), (1442, 19758), (1554, 18334), (1869, 15244), (2163, 13172), (2492, 11433), (2884, 9879), (3108, 9167), (3293, 8652), (3738, 7622), (3811, 7476), (4326, 6586)]