130721234

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1\times {\mathrm{839}}^1$

素因数の和:1238

約数の個数: 32

約数和(自身を含む): 232243200

約数和(自身を除く): 101521966

約数列:

[1, 2, 7, 14, 31, 62, 217, 359, 434, 718, 839, 1678, 2513, 5026, 5873, 11129, 11746, 22258, 26009, 52018, 77903, 155806, 182063, 301201, 364126, 602402, 2108407, 4216814, 9337231, 18674462, 65360617, 130721234]

約数ペア:

[(1, 130721234), (2, 65360617), (7, 18674462), (14, 9337231), (31, 4216814), (62, 2108407), (217, 602402), (359, 364126), (434, 301201), (718, 182063), (839, 155806), (1678, 77903), (2513, 52018), (5026, 26009), (5873, 22258), (11129, 11746)]