42954704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2129}}^1$

素因数の和:2247

約数の個数: 40

約数和(自身を含む): 90593160

約数和(自身を除く): 47638456

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 104, 194, 208, 388, 776, 1261, 1552, 2129, 2522, 4258, 5044, 8516, 10088, 17032, 20176, 27677, 34064, 55354, 110708, 206513, 221416, 413026, 442832, 826052, 1652104, 2684669, 3304208, 5369338, 10738676, 21477352, 42954704]

約数ペア:

[(1, 42954704), (2, 21477352), (4, 10738676), (8, 5369338), (13, 3304208), (16, 2684669), (26, 1652104), (52, 826052), (97, 442832), (104, 413026), (194, 221416), (208, 206513), (388, 110708), (776, 55354), (1261, 34064), (1552, 27677), (2129, 20176), (2522, 17032), (4258, 10088), (5044, 8516)]