401423872

素因数分解:

$2^9\times {\mathrm{311}}^1\times {\mathrm{2521}}^1$

素因数の和:2850

約数の個数: 40

約数和(自身を含む): 804961872

約数和(自身を除く): 403538000

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 311, 512, 622, 1244, 2488, 2521, 4976, 5042, 9952, 10084, 19904, 20168, 39808, 40336, 79616, 80672, 159232, 161344, 322688, 645376, 784031, 1290752, 1568062, 3136124, 6272248, 12544496, 25088992, 50177984, 100355968, 200711936, 401423872]

約数ペア:

[(1, 401423872), (2, 200711936), (4, 100355968), (8, 50177984), (16, 25088992), (32, 12544496), (64, 6272248), (128, 3136124), (256, 1568062), (311, 1290752), (512, 784031), (622, 645376), (1244, 322688), (2488, 161344), (2521, 159232), (4976, 80672), (5042, 79616), (9952, 40336), (10084, 39808), (19904, 20168)]