231569416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{117191}}^1$

素因数の和:117229

約数の個数: 32

約数和(自身を含む): 492206400

約数和(自身を除く): 260636984

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 117191, 234382, 468764, 937528, 1523483, 2226629, 3046966, 4453258, 6093932, 8906516, 12187864, 17813032, 28946177, 57892354, 115784708, 231569416]

約数ペア:

[(1, 231569416), (2, 115784708), (4, 57892354), (8, 28946177), (13, 17813032), (19, 12187864), (26, 8906516), (38, 6093932), (52, 4453258), (76, 3046966), (104, 2226629), (152, 1523483), (247, 937528), (494, 468764), (988, 234382), (1976, 117191)]