1381376

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:110

約数の個数: 44

約数和(自身を含む): 2947680

約数和(自身を除く): 1566304

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 71, 76, 128, 142, 152, 256, 284, 304, 512, 568, 608, 1024, 1136, 1216, 1349, 2272, 2432, 2698, 4544, 4864, 5396, 9088, 9728, 10792, 18176, 19456, 21584, 36352, 43168, 72704, 86336, 172672, 345344, 690688, 1381376]

約数ペア:

[(1, 1381376), (2, 690688), (4, 345344), (8, 172672), (16, 86336), (19, 72704), (32, 43168), (38, 36352), (64, 21584), (71, 19456), (76, 18176), (128, 10792), (142, 9728), (152, 9088), (256, 5396), (284, 4864), (304, 4544), (512, 2698), (568, 2432), (608, 2272), (1024, 1349), (1136, 1216)]