409968208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{23747}}^1$

素因数の和:23851

約数の個数: 40

約数和(自身を含む): 865757088

約数和(自身を除く): 455788880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 166, 208, 332, 664, 1079, 1328, 2158, 4316, 8632, 17264, 23747, 47494, 94988, 189976, 308711, 379952, 617422, 1234844, 1971001, 2469688, 3942002, 4939376, 7884004, 15768008, 25623013, 31536016, 51246026, 102492052, 204984104, 409968208]

約数ペア:

[(1, 409968208), (2, 204984104), (4, 102492052), (8, 51246026), (13, 31536016), (16, 25623013), (26, 15768008), (52, 7884004), (83, 4939376), (104, 3942002), (166, 2469688), (208, 1971001), (332, 1234844), (664, 617422), (1079, 379952), (1328, 308711), (2158, 189976), (4316, 94988), (8632, 47494), (17264, 23747)]