221165512

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{641}}^1$

素因数の和:766

約数の個数: 64

約数和(自身を含む): 457617600

約数和(自身を除く): 236452088

約数列:

[1, 2, 4, 8, 17, 34, 43, 59, 68, 86, 118, 136, 172, 236, 344, 472, 641, 731, 1003, 1282, 1462, 2006, 2537, 2564, 2924, 4012, 5074, 5128, 5848, 8024, 10148, 10897, 20296, 21794, 27563, 37819, 43129, 43588, 55126, 75638, 86258, 87176, 110252, 151276, 172516, 220504, 302552, 345032, 468571, 642923, 937142, 1285846, 1626217, 1874284, 2571692, 3252434, 3748568, 5143384, 6504868, 13009736, 27645689, 55291378, 110582756, 221165512]

約数ペア:

[(1, 221165512), (2, 110582756), (4, 55291378), (8, 27645689), (17, 13009736), (34, 6504868), (43, 5143384), (59, 3748568), (68, 3252434), (86, 2571692), (118, 1874284), (136, 1626217), (172, 1285846), (236, 937142), (344, 642923), (472, 468571), (641, 345032), (731, 302552), (1003, 220504), (1282, 172516), (1462, 151276), (2006, 110252), (2537, 87176), (2564, 86258), (2924, 75638), (4012, 55126), (5074, 43588), (5128, 43129), (5848, 37819), (8024, 27563), (10148, 21794), (10897, 20296)]