311972056

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 656877600

約数和(自身を除く): 344905544

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 89, 122, 178, 244, 356, 488, 653, 671, 712, 979, 1306, 1342, 1958, 2612, 2684, 3916, 5224, 5368, 5429, 7183, 7832, 10858, 14366, 21716, 28732, 39833, 43432, 57464, 58117, 59719, 79666, 116234, 119438, 159332, 232468, 238876, 318664, 438163, 464936, 477752, 639287, 876326, 1278574, 1752652, 2557148, 3505304, 3545137, 5114296, 7090274, 14180548, 28361096, 38996507, 77993014, 155986028, 311972056]

約数ペア:

[(1, 311972056), (2, 155986028), (4, 77993014), (8, 38996507), (11, 28361096), (22, 14180548), (44, 7090274), (61, 5114296), (88, 3545137), (89, 3505304), (122, 2557148), (178, 1752652), (244, 1278574), (356, 876326), (488, 639287), (653, 477752), (671, 464936), (712, 438163), (979, 318664), (1306, 238876), (1342, 232468), (1958, 159332), (2612, 119438), (2684, 116234), (3916, 79666), (5224, 59719), (5368, 58117), (5429, 57464), (7183, 43432), (7832, 39833), (10858, 28732), (14366, 21716)]