16851616

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 34450920

約数和(自身を除く): 17599304

約数列:

[1, 2, 4, 8, 16, 32, 61, 89, 97, 122, 178, 194, 244, 356, 388, 488, 712, 776, 976, 1424, 1552, 1952, 2848, 3104, 5429, 5917, 8633, 10858, 11834, 17266, 21716, 23668, 34532, 43432, 47336, 69064, 86864, 94672, 138128, 173728, 189344, 276256, 526613, 1053226, 2106452, 4212904, 8425808, 16851616]

約数ペア:

[(1, 16851616), (2, 8425808), (4, 4212904), (8, 2106452), (16, 1053226), (32, 526613), (61, 276256), (89, 189344), (97, 173728), (122, 138128), (178, 94672), (194, 86864), (244, 69064), (356, 47336), (388, 43432), (488, 34532), (712, 23668), (776, 21716), (976, 17266), (1424, 11834), (1552, 10858), (1952, 8633), (2848, 5917), (3104, 5429)]