164200428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21019}}^1$

素因数の和:21067

約数の個数: 72

約数和(自身を含む): 489681920

約数和(自身を除く): 325481492

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 21019, 42038, 63057, 84076, 126114, 147133, 189171, 252228, 294266, 378342, 441399, 588532, 651589, 756684, 882798, 1303178, 1324197, 1765596, 1954767, 2606356, 2648394, 3909534, 4561123, 5296788, 5864301, 7819068, 9122246, 11728602, 13683369, 18244492, 23457204, 27366738, 41050107, 54733476, 82100214, 164200428]

約数ペア:

[(1, 164200428), (2, 82100214), (3, 54733476), (4, 41050107), (6, 27366738), (7, 23457204), (9, 18244492), (12, 13683369), (14, 11728602), (18, 9122246), (21, 7819068), (28, 5864301), (31, 5296788), (36, 4561123), (42, 3909534), (62, 2648394), (63, 2606356), (84, 1954767), (93, 1765596), (124, 1324197), (126, 1303178), (186, 882798), (217, 756684), (252, 651589), (279, 588532), (372, 441399), (434, 378342), (558, 294266), (651, 252228), (868, 189171), (1116, 147133), (1302, 126114), (1953, 84076), (2604, 63057), (3906, 42038), (7812, 21019)]