253987516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 478114560

約数和(自身を除く): 224127044

約数列:

[1, 2, 4, 19, 38, 76, 97, 131, 194, 262, 263, 388, 524, 526, 1052, 1843, 2489, 3686, 4978, 4997, 7372, 9956, 9994, 12707, 19988, 25414, 25511, 34453, 50828, 51022, 68906, 102044, 137812, 241433, 482866, 484709, 654607, 965732, 969418, 1309214, 1938836, 2618428, 3341941, 6683882, 13367764, 63496879, 126993758, 253987516]

約数ペア:

[(1, 253987516), (2, 126993758), (4, 63496879), (19, 13367764), (38, 6683882), (76, 3341941), (97, 2618428), (131, 1938836), (194, 1309214), (262, 969418), (263, 965732), (388, 654607), (524, 484709), (526, 482866), (1052, 241433), (1843, 137812), (2489, 102044), (3686, 68906), (4978, 51022), (4997, 50828), (7372, 34453), (9956, 25511), (9994, 25414), (12707, 19988)]