28619773

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 36197280

約数和(自身を除く): 7577507

約数列:

[1, 7, 13, 49, 91, 179, 251, 637, 1253, 1757, 2327, 3263, 8771, 12299, 16289, 22841, 44929, 114023, 159887, 314503, 584077, 2201521, 4088539, 28619773]

約数ペア:

[(1, 28619773), (7, 4088539), (13, 2201521), (49, 584077), (91, 314503), (179, 159887), (251, 114023), (637, 44929), (1253, 22841), (1757, 16289), (2327, 12299), (3263, 8771)]