71981728

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1$

素因数の和:1350

約数の個数: 96

約数和(自身を含む): 183738240

約数和(自身を除く): 111756512

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 224, 247, 266, 304, 364, 416, 494, 532, 608, 728, 988, 1064, 1301, 1456, 1729, 1976, 2128, 2602, 2912, 3458, 3952, 4256, 5204, 6916, 7904, 9107, 10408, 13832, 16913, 18214, 20816, 24719, 27664, 33826, 36428, 41632, 49438, 55328, 67652, 72856, 98876, 118391, 135304, 145712, 173033, 197752, 236782, 270608, 291424, 321347, 346066, 395504, 473564, 541216, 642694, 692132, 791008, 947128, 1285388, 1384264, 1894256, 2249429, 2570776, 2768528, 3788512, 4498858, 5141552, 5537056, 8997716, 10283104, 17995432, 35990864, 71981728]

約数ペア:

[(1, 71981728), (2, 35990864), (4, 17995432), (7, 10283104), (8, 8997716), (13, 5537056), (14, 5141552), (16, 4498858), (19, 3788512), (26, 2768528), (28, 2570776), (32, 2249429), (38, 1894256), (52, 1384264), (56, 1285388), (76, 947128), (91, 791008), (104, 692132), (112, 642694), (133, 541216), (152, 473564), (182, 395504), (208, 346066), (224, 321347), (247, 291424), (266, 270608), (304, 236782), (364, 197752), (416, 173033), (494, 145712), (532, 135304), (608, 118391), (728, 98876), (988, 72856), (1064, 67652), (1301, 55328), (1456, 49438), (1729, 41632), (1976, 36428), (2128, 33826), (2602, 27664), (2912, 24719), (3458, 20816), (3952, 18214), (4256, 16913), (5204, 13832), (6916, 10408), (7904, 9107)]