31251168

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:537

約数の個数: 144

約数和(自身を含む): 101542896

約数和(自身を除く): 70291728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 32, 34, 36, 39, 48, 51, 52, 68, 72, 78, 96, 102, 104, 117, 136, 144, 153, 156, 204, 208, 221, 234, 272, 288, 306, 312, 408, 416, 442, 468, 491, 544, 612, 624, 663, 816, 884, 936, 982, 1224, 1248, 1326, 1473, 1632, 1768, 1872, 1964, 1989, 2448, 2652, 2946, 3536, 3744, 3928, 3978, 4419, 4896, 5304, 5892, 6383, 7072, 7856, 7956, 8347, 8838, 10608, 11784, 12766, 15712, 15912, 16694, 17676, 19149, 21216, 23568, 25041, 25532, 31824, 33388, 35352, 38298, 47136, 50082, 51064, 57447, 63648, 66776, 70704, 75123, 76596, 100164, 102128, 108511, 114894, 133552, 141408, 150246, 153192, 200328, 204256, 217022, 229788, 267104, 300492, 306384, 325533, 400656, 434044, 459576, 600984, 612768, 651066, 801312, 868088, 919152, 976599, 1201968, 1302132, 1736176, 1838304, 1953198, 2403936, 2604264, 3472352, 3906396, 5208528, 7812792, 10417056, 15625584, 31251168]

約数ペア:

[(1, 31251168), (2, 15625584), (3, 10417056), (4, 7812792), (6, 5208528), (8, 3906396), (9, 3472352), (12, 2604264), (13, 2403936), (16, 1953198), (17, 1838304), (18, 1736176), (24, 1302132), (26, 1201968), (32, 976599), (34, 919152), (36, 868088), (39, 801312), (48, 651066), (51, 612768), (52, 600984), (68, 459576), (72, 434044), (78, 400656), (96, 325533), (102, 306384), (104, 300492), (117, 267104), (136, 229788), (144, 217022), (153, 204256), (156, 200328), (204, 153192), (208, 150246), (221, 141408), (234, 133552), (272, 114894), (288, 108511), (306, 102128), (312, 100164), (408, 76596), (416, 75123), (442, 70704), (468, 66776), (491, 63648), (544, 57447), (612, 51064), (624, 50082), (663, 47136), (816, 38298), (884, 35352), (936, 33388), (982, 31824), (1224, 25532), (1248, 25041), (1326, 23568), (1473, 21216), (1632, 19149), (1768, 17676), (1872, 16694), (1964, 15912), (1989, 15712), (2448, 12766), (2652, 11784), (2946, 10608), (3536, 8838), (3744, 8347), (3928, 7956), (3978, 7856), (4419, 7072), (4896, 6383), (5304, 5892)]