128540388

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{150869}}^1$

素因数の和:150947

約数の個数: 24

約数和(自身を含む): 304153920

約数和(自身を除く): 175613532

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 150869, 301738, 452607, 603476, 905214, 1810428, 10711699, 21423398, 32135097, 42846796, 64270194, 128540388]

約数ペア:

[(1, 128540388), (2, 64270194), (3, 42846796), (4, 32135097), (6, 21423398), (12, 10711699), (71, 1810428), (142, 905214), (213, 603476), (284, 452607), (426, 301738), (852, 150869)]