147678722

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 237219840

約数和(自身を除く): 89541118

約数列:

[1, 2, 23, 46, 71, 103, 142, 206, 439, 878, 1633, 2369, 3266, 4738, 7313, 10097, 14626, 20194, 31169, 45217, 62338, 90434, 168199, 336398, 716887, 1039991, 1433774, 2079982, 3210407, 6420814, 73839361, 147678722]

約数ペア:

[(1, 147678722), (2, 73839361), (23, 6420814), (46, 3210407), (71, 2079982), (103, 1433774), (142, 1039991), (206, 716887), (439, 336398), (878, 168199), (1633, 90434), (2369, 62338), (3266, 45217), (4738, 31169), (7313, 20194), (10097, 14626)]