About the Number

129961728

129961727 ← → 129961729

2進数表記:111101111110000111100000000

漢数字表記:一億二千九百九十六万千七百二十八

素因数分解:

2 8 × 3 2 × 13 1 × 4339 1

素因数の和:4374
約数の個数: 108
約数和(自身を含む): 403628680
約数和(自身を除く): 273666952

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 192, 208, 234, 256, 288, 312, 384, 416, 468, 576, 624, 768, 832, 936, 1152, 1248, 1664, 1872, 2304, 2496, 3328, 3744, 4339, 4992, 7488, 8678, 9984, 13017, 14976, 17356, 26034, 29952, 34712, 39051, 52068, 56407, 69424, 78102, 104136, 112814, 138848, 156204, 169221, 208272, 225628, 277696, 312408, 338442, 416544, 451256, 507663, 555392, 624816, 676884, 833088, 902512, 1015326, 1110784, 1249632, 1353768, 1666176, 1805024, 2030652, 2499264, 2707536, 3332352, 3610048, 4061304, 4998528, 5415072, 7220096, 8122608, 9997056, 10830144, 14440192, 16245216, 21660288, 32490432, 43320576, 64980864, 129961728]

約数ペア:
[(1, 129961728), (2, 64980864), (3, 43320576), (4, 32490432), (6, 21660288), (8, 16245216), (9, 14440192), (12, 10830144), (13, 9997056), (16, 8122608), (18, 7220096), (24, 5415072), (26, 4998528), (32, 4061304), (36, 3610048), (39, 3332352), (48, 2707536), (52, 2499264), (64, 2030652), (72, 1805024), (78, 1666176), (96, 1353768), (104, 1249632), (117, 1110784), (128, 1015326), (144, 902512), (156, 833088), (192, 676884), (208, 624816), (234, 555392), (256, 507663), (288, 451256), (312, 416544), (384, 338442), (416, 312408), (468, 277696), (576, 225628), (624, 208272), (768, 169221), (832, 156204), (936, 138848), (1152, 112814), (1248, 104136), (1664, 78102), (1872, 69424), (2304, 56407), (2496, 52068), (3328, 39051), (3744, 34712), (4339, 29952), (4992, 26034), (7488, 17356), (8678, 14976), (9984, 13017)]

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