163955408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:360

約数の個数: 80

約数和(自身を含む): 353548800

約数和(自身を除く): 189593392

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 131, 152, 179, 184, 262, 304, 358, 368, 437, 524, 716, 874, 1048, 1432, 1748, 2096, 2489, 2864, 3013, 3401, 3496, 4117, 4978, 6026, 6802, 6992, 8234, 9956, 12052, 13604, 16468, 19912, 23449, 24104, 27208, 32936, 39824, 46898, 48208, 54416, 57247, 65872, 78223, 93796, 114494, 156446, 187592, 228988, 312892, 375184, 445531, 457976, 539327, 625784, 891062, 915952, 1078654, 1251568, 1782124, 2157308, 3564248, 4314616, 7128496, 8629232, 10247213, 20494426, 40988852, 81977704, 163955408]

約数ペア:

[(1, 163955408), (2, 81977704), (4, 40988852), (8, 20494426), (16, 10247213), (19, 8629232), (23, 7128496), (38, 4314616), (46, 3564248), (76, 2157308), (92, 1782124), (131, 1251568), (152, 1078654), (179, 915952), (184, 891062), (262, 625784), (304, 539327), (358, 457976), (368, 445531), (437, 375184), (524, 312892), (716, 228988), (874, 187592), (1048, 156446), (1432, 114494), (1748, 93796), (2096, 78223), (2489, 65872), (2864, 57247), (3013, 54416), (3401, 48208), (3496, 46898), (4117, 39824), (4978, 32936), (6026, 27208), (6802, 24104), (6992, 23449), (8234, 19912), (9956, 16468), (12052, 13604)]