661504

素因数分解:

$2^{11}\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:58

約数の個数: 48

約数和(自身を含む): 1474200

約数和(自身を除く): 812696

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 256, 272, 304, 323, 512, 544, 608, 646, 1024, 1088, 1216, 1292, 2048, 2176, 2432, 2584, 4352, 4864, 5168, 8704, 9728, 10336, 17408, 19456, 20672, 34816, 38912, 41344, 82688, 165376, 330752, 661504]

約数ペア:

[(1, 661504), (2, 330752), (4, 165376), (8, 82688), (16, 41344), (17, 38912), (19, 34816), (32, 20672), (34, 19456), (38, 17408), (64, 10336), (68, 9728), (76, 8704), (128, 5168), (136, 4864), (152, 4352), (256, 2584), (272, 2432), (304, 2176), (323, 2048), (512, 1292), (544, 1216), (608, 1088), (646, 1024)]