28637656

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 31237544

約数列:

[1, 2, 4, 8, 17, 34, 43, 59, 68, 83, 86, 118, 136, 166, 172, 236, 332, 344, 472, 664, 731, 1003, 1411, 1462, 2006, 2537, 2822, 2924, 3569, 4012, 4897, 5074, 5644, 5848, 7138, 8024, 9794, 10148, 11288, 14276, 19588, 20296, 28552, 39176, 43129, 60673, 83249, 86258, 121346, 166498, 172516, 210571, 242692, 332996, 345032, 421142, 485384, 665992, 842284, 1684568, 3579707, 7159414, 14318828, 28637656]

約数ペア:

[(1, 28637656), (2, 14318828), (4, 7159414), (8, 3579707), (17, 1684568), (34, 842284), (43, 665992), (59, 485384), (68, 421142), (83, 345032), (86, 332996), (118, 242692), (136, 210571), (166, 172516), (172, 166498), (236, 121346), (332, 86258), (344, 83249), (472, 60673), (664, 43129), (731, 39176), (1003, 28552), (1411, 20296), (1462, 19588), (2006, 14276), (2537, 11288), (2822, 10148), (2924, 9794), (3569, 8024), (4012, 7138), (4897, 5848), (5074, 5644)]