90405238

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:733

約数の個数: 64

約数和(自身を含む): 180817920

約数和(自身を除く): 90412682

約数列:

[1, 2, 7, 11, 14, 22, 29, 31, 58, 62, 77, 154, 203, 217, 319, 341, 406, 434, 638, 653, 682, 899, 1306, 1798, 2233, 2387, 4466, 4571, 4774, 6293, 7183, 9142, 9889, 12586, 14366, 18937, 19778, 20243, 37874, 40486, 50281, 69223, 100562, 132559, 138446, 141701, 208307, 222673, 265118, 283402, 416614, 445346, 587047, 1174094, 1458149, 1558711, 2916298, 3117422, 4109329, 6457517, 8218658, 12915034, 45202619, 90405238]

約数ペア:

[(1, 90405238), (2, 45202619), (7, 12915034), (11, 8218658), (14, 6457517), (22, 4109329), (29, 3117422), (31, 2916298), (58, 1558711), (62, 1458149), (77, 1174094), (154, 587047), (203, 445346), (217, 416614), (319, 283402), (341, 265118), (406, 222673), (434, 208307), (638, 141701), (653, 138446), (682, 132559), (899, 100562), (1306, 69223), (1798, 50281), (2233, 40486), (2387, 37874), (4466, 20243), (4571, 19778), (4774, 18937), (6293, 14366), (7183, 12586), (9142, 9889)]