81313198

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{383}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 133079040

約数和(自身を除く): 51765842

約数列:

[1, 2, 19, 37, 38, 74, 151, 302, 383, 703, 766, 1406, 2869, 5587, 5738, 7277, 11174, 14171, 14554, 28342, 57833, 106153, 115666, 212306, 269249, 538498, 1098827, 2139821, 2197654, 4279642, 40656599, 81313198]

約数ペア:

[(1, 81313198), (2, 40656599), (19, 4279642), (37, 2197654), (38, 2139821), (74, 1098827), (151, 538498), (302, 269249), (383, 212306), (703, 115666), (766, 106153), (1406, 57833), (2869, 28342), (5587, 14554), (5738, 14171), (7277, 11174)]