397739008

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{20443}}^1$

素因数の和:20482

約数の個数: 44

約数和(自身を含む): 836977360

約数和(自身を除く): 439238352

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1024, 1216, 2432, 4864, 9728, 19456, 20443, 40886, 81772, 163544, 327088, 388417, 654176, 776834, 1308352, 1553668, 2616704, 3107336, 5233408, 6214672, 10466816, 12429344, 20933632, 24858688, 49717376, 99434752, 198869504, 397739008]

約数ペア:

[(1, 397739008), (2, 198869504), (4, 99434752), (8, 49717376), (16, 24858688), (19, 20933632), (32, 12429344), (38, 10466816), (64, 6214672), (76, 5233408), (128, 3107336), (152, 2616704), (256, 1553668), (304, 1308352), (512, 776834), (608, 654176), (1024, 388417), (1216, 327088), (2432, 163544), (4864, 81772), (9728, 40886), (19456, 20443)]