287907974

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1999}}^1$

素因数の和:2156

約数の個数: 32

約数和(自身を含む): 470016000

約数和(自身を除く): 182108026

約数列:

[1, 2, 23, 31, 46, 62, 101, 202, 713, 1426, 1999, 2323, 3131, 3998, 4646, 6262, 45977, 61969, 72013, 91954, 123938, 144026, 201899, 403798, 1425287, 2850574, 4643677, 6258869, 9287354, 12517738, 143953987, 287907974]

約数ペア:

[(1, 287907974), (2, 143953987), (23, 12517738), (31, 9287354), (46, 6258869), (62, 4643677), (101, 2850574), (202, 1425287), (713, 403798), (1426, 201899), (1999, 144026), (2323, 123938), (3131, 91954), (3998, 72013), (4646, 61969), (6262, 45977)]