397349376

素因数分解:

$2^9\times 3^1\times {\mathrm{258691}}^1$

素因数の和:258712

約数の個数: 40

約数和(自身を含む): 1058567664

約数和(自身を除く): 661218288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 258691, 517382, 776073, 1034764, 1552146, 2069528, 3104292, 4139056, 6208584, 8278112, 12417168, 16556224, 24834336, 33112448, 49668672, 66224896, 99337344, 132449792, 198674688, 397349376]

約数ペア:

[(1, 397349376), (2, 198674688), (3, 132449792), (4, 99337344), (6, 66224896), (8, 49668672), (12, 33112448), (16, 24834336), (24, 16556224), (32, 12417168), (48, 8278112), (64, 6208584), (96, 4139056), (128, 3104292), (192, 2069528), (256, 1552146), (384, 1034764), (512, 776073), (768, 517382), (1536, 258691)]