81334288

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1033}}^1$

素因数の和:1104

約数の個数: 80

約数和(自身を含む): 194888320

約数和(自身を除く): 113554032

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 37, 38, 56, 74, 76, 112, 133, 148, 152, 259, 266, 296, 304, 518, 532, 592, 703, 1033, 1036, 1064, 1406, 2066, 2072, 2128, 2812, 4132, 4144, 4921, 5624, 7231, 8264, 9842, 11248, 14462, 16528, 19627, 19684, 28924, 38221, 39254, 39368, 57848, 76442, 78508, 78736, 115696, 137389, 152884, 157016, 267547, 274778, 305768, 314032, 535094, 549556, 611536, 726199, 1070188, 1099112, 1452398, 2140376, 2198224, 2904796, 4280752, 5083393, 5809592, 10166786, 11619184, 20333572, 40667144, 81334288]

約数ペア:

[(1, 81334288), (2, 40667144), (4, 20333572), (7, 11619184), (8, 10166786), (14, 5809592), (16, 5083393), (19, 4280752), (28, 2904796), (37, 2198224), (38, 2140376), (56, 1452398), (74, 1099112), (76, 1070188), (112, 726199), (133, 611536), (148, 549556), (152, 535094), (259, 314032), (266, 305768), (296, 274778), (304, 267547), (518, 157016), (532, 152884), (592, 137389), (703, 115696), (1033, 78736), (1036, 78508), (1064, 76442), (1406, 57848), (2066, 39368), (2072, 39254), (2128, 38221), (2812, 28924), (4132, 19684), (4144, 19627), (4921, 16528), (5624, 14462), (7231, 11248), (8264, 9842)]