820199384

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 1603514880

約数和(自身を除く): 783315496

約数列:

[1, 2, 4, 8, 71, 73, 131, 142, 146, 151, 262, 284, 292, 302, 524, 568, 584, 604, 1048, 1208, 5183, 9301, 9563, 10366, 10721, 11023, 18602, 19126, 19781, 20732, 21442, 22046, 37204, 38252, 39562, 41464, 42884, 44092, 74408, 76504, 79124, 85768, 88184, 158248, 678973, 782633, 1357946, 1404451, 1444013, 1565266, 2715892, 2808902, 2888026, 3130532, 5431784, 5617804, 5776052, 6261064, 11235608, 11552104, 102524923, 205049846, 410099692, 820199384]

約数ペア:

[(1, 820199384), (2, 410099692), (4, 205049846), (8, 102524923), (71, 11552104), (73, 11235608), (131, 6261064), (142, 5776052), (146, 5617804), (151, 5431784), (262, 3130532), (284, 2888026), (292, 2808902), (302, 2715892), (524, 1565266), (568, 1444013), (584, 1404451), (604, 1357946), (1048, 782633), (1208, 678973), (5183, 158248), (9301, 88184), (9563, 85768), (10366, 79124), (10721, 76504), (11023, 74408), (18602, 44092), (19126, 42884), (19781, 41464), (20732, 39562), (21442, 38252), (22046, 37204)]