399472008

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{21701}}^1$

素因数の和:21782

約数の個数: 64

約数和(自身を含む): 1093780800

約数和(自身を除く): 694308792

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 59, 78, 104, 118, 156, 177, 236, 312, 354, 472, 708, 767, 1416, 1534, 2301, 3068, 4602, 6136, 9204, 18408, 21701, 43402, 65103, 86804, 130206, 173608, 260412, 282113, 520824, 564226, 846339, 1128452, 1280359, 1692678, 2256904, 2560718, 3385356, 3841077, 5121436, 6770712, 7682154, 10242872, 15364308, 16644667, 30728616, 33289334, 49934001, 66578668, 99868002, 133157336, 199736004, 399472008]

約数ペア:

[(1, 399472008), (2, 199736004), (3, 133157336), (4, 99868002), (6, 66578668), (8, 49934001), (12, 33289334), (13, 30728616), (24, 16644667), (26, 15364308), (39, 10242872), (52, 7682154), (59, 6770712), (78, 5121436), (104, 3841077), (118, 3385356), (156, 2560718), (177, 2256904), (236, 1692678), (312, 1280359), (354, 1128452), (472, 846339), (708, 564226), (767, 520824), (1416, 282113), (1534, 260412), (2301, 173608), (3068, 130206), (4602, 86804), (6136, 65103), (9204, 43402), (18408, 21701)]