221496990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{51631}}^1$

素因数の和:51665

約数の個数: 64

約数和(自身を含む): 624540672

約数和(自身を除く): 403043682

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 51631, 103262, 154893, 258155, 309786, 516310, 567941, 671203, 774465, 1135882, 1342406, 1548930, 1703823, 2013609, 2839705, 3356015, 3407646, 4027218, 5679410, 6712030, 7383233, 8519115, 10068045, 14766466, 17038230, 20136090, 22149699, 36916165, 44299398, 73832330, 110748495, 221496990]

約数ペア:

[(1, 221496990), (2, 110748495), (3, 73832330), (5, 44299398), (6, 36916165), (10, 22149699), (11, 20136090), (13, 17038230), (15, 14766466), (22, 10068045), (26, 8519115), (30, 7383233), (33, 6712030), (39, 5679410), (55, 4027218), (65, 3407646), (66, 3356015), (78, 2839705), (110, 2013609), (130, 1703823), (143, 1548930), (165, 1342406), (195, 1135882), (286, 774465), (330, 671203), (390, 567941), (429, 516310), (715, 309786), (858, 258155), (1430, 154893), (2145, 103262), (4290, 51631)]