221538752

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1019}}^1$

素因数の和:1153

約数の個数: 56

約数和(自身を含む): 455980800

約数和(自身を除く): 234442048

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 79, 86, 158, 172, 316, 344, 632, 688, 1019, 1264, 1376, 2038, 2528, 2752, 3397, 4076, 5056, 6794, 8152, 13588, 16304, 27176, 32608, 43817, 54352, 65216, 80501, 87634, 108704, 161002, 175268, 217408, 322004, 350536, 644008, 701072, 1288016, 1402144, 2576032, 2804288, 3461543, 5152064, 6923086, 13846172, 27692344, 55384688, 110769376, 221538752]

約数ペア:

[(1, 221538752), (2, 110769376), (4, 55384688), (8, 27692344), (16, 13846172), (32, 6923086), (43, 5152064), (64, 3461543), (79, 2804288), (86, 2576032), (158, 1402144), (172, 1288016), (316, 701072), (344, 644008), (632, 350536), (688, 322004), (1019, 217408), (1264, 175268), (1376, 161002), (2038, 108704), (2528, 87634), (2752, 80501), (3397, 65216), (4076, 54352), (5056, 43817), (6794, 32608), (8152, 27176), (13588, 16304)]