406971412

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{997}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 774607680

約数和(自身を除く): 367636268

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 131, 164, 262, 524, 779, 997, 1558, 1994, 2489, 3116, 3988, 4978, 5371, 9956, 10742, 18943, 21484, 37886, 40877, 75772, 81754, 102049, 130607, 163508, 204098, 261214, 408196, 522428, 776663, 1553326, 2481533, 3106652, 4963066, 5354887, 9926132, 10709774, 21419548, 101742853, 203485706, 406971412]

約数ペア:

[(1, 406971412), (2, 203485706), (4, 101742853), (19, 21419548), (38, 10709774), (41, 9926132), (76, 5354887), (82, 4963066), (131, 3106652), (164, 2481533), (262, 1553326), (524, 776663), (779, 522428), (997, 408196), (1558, 261214), (1994, 204098), (2489, 163508), (3116, 130607), (3988, 102049), (4978, 81754), (5371, 75772), (9956, 40877), (10742, 37886), (18943, 21484)]