28660492

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 62052480

約数和(自身を除く): 33391988

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 53, 62, 89, 98, 106, 124, 178, 196, 212, 217, 356, 371, 434, 623, 742, 868, 1246, 1484, 1519, 1643, 2492, 2597, 2759, 3038, 3286, 4361, 4717, 5194, 5518, 6076, 6572, 8722, 9434, 10388, 11036, 11501, 17444, 18868, 19313, 23002, 33019, 38626, 46004, 66038, 77252, 80507, 132076, 135191, 146227, 161014, 231133, 270382, 292454, 322028, 462266, 540764, 584908, 924532, 1023589, 2047178, 4094356, 7165123, 14330246, 28660492]

約数ペア:

[(1, 28660492), (2, 14330246), (4, 7165123), (7, 4094356), (14, 2047178), (28, 1023589), (31, 924532), (49, 584908), (53, 540764), (62, 462266), (89, 322028), (98, 292454), (106, 270382), (124, 231133), (178, 161014), (196, 146227), (212, 135191), (217, 132076), (356, 80507), (371, 77252), (434, 66038), (623, 46004), (742, 38626), (868, 33019), (1246, 23002), (1484, 19313), (1519, 18868), (1643, 17444), (2492, 11501), (2597, 11036), (2759, 10388), (3038, 9434), (3286, 8722), (4361, 6572), (4717, 6076), (5194, 5518)]