251285879

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 292408704

約数和(自身を除く): 41122825

約数列:

[1, 13, 23, 53, 101, 157, 299, 689, 1219, 1313, 2041, 2323, 3611, 5353, 8321, 15847, 15857, 30199, 46943, 69589, 108173, 123119, 191383, 206141, 364711, 840421, 1600547, 2487979, 4741243, 10925473, 19329683, 251285879]

約数ペア:

[(1, 251285879), (13, 19329683), (23, 10925473), (53, 4741243), (101, 2487979), (157, 1600547), (299, 840421), (689, 364711), (1219, 206141), (1313, 191383), (2041, 123119), (2323, 108173), (3611, 69589), (5353, 46943), (8321, 30199), (15847, 15857)]