315861986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1\times {\mathrm{509}}^1$

素因数の和:1010

約数の個数: 32

約数和(自身を含む): 526858560

約数和(自身を除く): 210996574

約数列:

[1, 2, 11, 22, 67, 134, 421, 509, 737, 842, 1018, 1474, 4631, 5599, 9262, 11198, 28207, 34103, 56414, 68206, 214289, 310277, 375133, 428578, 620554, 750266, 2357179, 4714358, 14357363, 28714726, 157930993, 315861986]

約数ペア:

[(1, 315861986), (2, 157930993), (11, 28714726), (22, 14357363), (67, 4714358), (134, 2357179), (421, 750266), (509, 620554), (737, 428578), (842, 375133), (1018, 310277), (1474, 214289), (4631, 68206), (5599, 56414), (9262, 34103), (11198, 28207)]