821201904

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2591}}^1$

素因数の和:2707

約数の個数: 120

約数和(自身を含む): 2406703104

約数和(自身を除く): 1585501200

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 71, 72, 93, 124, 142, 144, 186, 213, 248, 279, 284, 372, 426, 496, 558, 568, 639, 744, 852, 1116, 1136, 1278, 1488, 1704, 2201, 2232, 2556, 2591, 3408, 4402, 4464, 5112, 5182, 6603, 7773, 8804, 10224, 10364, 13206, 15546, 17608, 19809, 20728, 23319, 26412, 31092, 35216, 39618, 41456, 46638, 52824, 62184, 79236, 80321, 93276, 105648, 124368, 158472, 160642, 183961, 186552, 240963, 316944, 321284, 367922, 373104, 481926, 551883, 642568, 722889, 735844, 963852, 1103766, 1285136, 1445778, 1471688, 1655649, 1927704, 2207532, 2891556, 2943376, 3311298, 3855408, 4415064, 5702791, 5783112, 6622596, 8830128, 11405582, 11566224, 13245192, 17108373, 22811164, 26490384, 34216746, 45622328, 51325119, 68433492, 91244656, 102650238, 136866984, 205300476, 273733968, 410600952, 821201904]

約数ペア:

[(1, 821201904), (2, 410600952), (3, 273733968), (4, 205300476), (6, 136866984), (8, 102650238), (9, 91244656), (12, 68433492), (16, 51325119), (18, 45622328), (24, 34216746), (31, 26490384), (36, 22811164), (48, 17108373), (62, 13245192), (71, 11566224), (72, 11405582), (93, 8830128), (124, 6622596), (142, 5783112), (144, 5702791), (186, 4415064), (213, 3855408), (248, 3311298), (279, 2943376), (284, 2891556), (372, 2207532), (426, 1927704), (496, 1655649), (558, 1471688), (568, 1445778), (639, 1285136), (744, 1103766), (852, 963852), (1116, 735844), (1136, 722889), (1278, 642568), (1488, 551883), (1704, 481926), (2201, 373104), (2232, 367922), (2556, 321284), (2591, 316944), (3408, 240963), (4402, 186552), (4464, 183961), (5112, 160642), (5182, 158472), (6603, 124368), (7773, 105648), (8804, 93276), (10224, 80321), (10364, 79236), (13206, 62184), (15546, 52824), (17608, 46638), (19809, 41456), (20728, 39618), (23319, 35216), (26412, 31092)]