211319998

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{727}}^1$

素因数の和:912

約数の個数: 32

約数和(自身を含む): 339655680

約数和(自身を除く): 128335682

約数列:

[1, 2, 23, 46, 71, 89, 142, 178, 727, 1454, 1633, 2047, 3266, 4094, 6319, 12638, 16721, 33442, 51617, 64703, 103234, 129406, 145337, 290674, 1187191, 1488169, 2374382, 2976338, 4593913, 9187826, 105659999, 211319998]

約数ペア:

[(1, 211319998), (2, 105659999), (23, 9187826), (46, 4593913), (71, 2976338), (89, 2374382), (142, 1488169), (178, 1187191), (727, 290674), (1454, 145337), (1633, 129406), (2047, 103234), (3266, 64703), (4094, 51617), (6319, 33442), (12638, 16721)]