390274768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{2539}}^1$

素因数の和:3299

約数の個数: 40

約数和(自身を含む): 815746400

約数和(自身を除く): 425471632

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 739, 1478, 2539, 2956, 5078, 5912, 9607, 10156, 11824, 19214, 20312, 33007, 38428, 40624, 66014, 76856, 132028, 153712, 264056, 528112, 1876321, 3752642, 7505284, 15010568, 24392173, 30021136, 48784346, 97568692, 195137384, 390274768]

約数ペア:

[(1, 390274768), (2, 195137384), (4, 97568692), (8, 48784346), (13, 30021136), (16, 24392173), (26, 15010568), (52, 7505284), (104, 3752642), (208, 1876321), (739, 528112), (1478, 264056), (2539, 153712), (2956, 132028), (5078, 76856), (5912, 66014), (9607, 40624), (10156, 38428), (11824, 33007), (19214, 20312)]