221490304

素因数分解:

$2^7\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1381}}^1$

素因数の和:1581

約数の個数: 64

約数和(自身を含む): 507470400

約数和(自身を除く): 285980096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 179, 224, 358, 448, 716, 896, 1253, 1381, 1432, 2506, 2762, 2864, 5012, 5524, 5728, 9667, 10024, 11048, 11456, 19334, 20048, 22096, 22912, 38668, 40096, 44192, 77336, 80192, 88384, 154672, 160384, 176768, 247199, 309344, 494398, 618688, 988796, 1237376, 1730393, 1977592, 3460786, 3955184, 6921572, 7910368, 13843144, 15820736, 27686288, 31641472, 55372576, 110745152, 221490304]

約数ペア:

[(1, 221490304), (2, 110745152), (4, 55372576), (7, 31641472), (8, 27686288), (14, 15820736), (16, 13843144), (28, 7910368), (32, 6921572), (56, 3955184), (64, 3460786), (112, 1977592), (128, 1730393), (179, 1237376), (224, 988796), (358, 618688), (448, 494398), (716, 309344), (896, 247199), (1253, 176768), (1381, 160384), (1432, 154672), (2506, 88384), (2762, 80192), (2864, 77336), (5012, 44192), (5524, 40096), (5728, 38668), (9667, 22912), (10024, 22096), (11048, 20048), (11456, 19334)]