211267888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{16651}}^1$

素因数の和:16733

約数の個数: 40

約数和(自身を含む): 448072016

約数和(自身を除く): 236804128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 6344, 12688, 16651, 33302, 66604, 133208, 216463, 266416, 432926, 865852, 1015711, 1731704, 2031422, 3463408, 4062844, 8125688, 13204243, 16251376, 26408486, 52816972, 105633944, 211267888]

約数ペア:

[(1, 211267888), (2, 105633944), (4, 52816972), (8, 26408486), (13, 16251376), (16, 13204243), (26, 8125688), (52, 4062844), (61, 3463408), (104, 2031422), (122, 1731704), (208, 1015711), (244, 865852), (488, 432926), (793, 266416), (976, 216463), (1586, 133208), (3172, 66604), (6344, 33302), (12688, 16651)]