28696612

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{167}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 64520064

約数和(自身を除く): 35823452

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 167, 238, 266, 323, 334, 361, 476, 532, 646, 668, 722, 1169, 1292, 1444, 2261, 2338, 2527, 2839, 3173, 4522, 4676, 5054, 5678, 6137, 6346, 9044, 10108, 11356, 12274, 12692, 19873, 22211, 24548, 39746, 42959, 44422, 53941, 60287, 79492, 85918, 88844, 107882, 120574, 171836, 215764, 241148, 377587, 422009, 755174, 844018, 1024879, 1510348, 1688036, 2049758, 4099516, 7174153, 14348306, 28696612]

約数ペア:

[(1, 28696612), (2, 14348306), (4, 7174153), (7, 4099516), (14, 2049758), (17, 1688036), (19, 1510348), (28, 1024879), (34, 844018), (38, 755174), (68, 422009), (76, 377587), (119, 241148), (133, 215764), (167, 171836), (238, 120574), (266, 107882), (323, 88844), (334, 85918), (361, 79492), (476, 60287), (532, 53941), (646, 44422), (668, 42959), (722, 39746), (1169, 24548), (1292, 22211), (1444, 19873), (2261, 12692), (2338, 12274), (2527, 11356), (2839, 10108), (3173, 9044), (4522, 6346), (4676, 6137), (5054, 5678)]