199978458

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:923

約数の個数: 64

約数和(自身を含む): 441262080

約数和(自身を除く): 241283622

約数列:

[1, 2, 3, 6, 19, 31, 38, 57, 62, 71, 93, 114, 142, 186, 213, 426, 589, 797, 1178, 1349, 1594, 1767, 2201, 2391, 2698, 3534, 4047, 4402, 4782, 6603, 8094, 13206, 15143, 24707, 30286, 41819, 45429, 49414, 56587, 74121, 83638, 90858, 113174, 125457, 148242, 169761, 250914, 339522, 469433, 938866, 1075153, 1408299, 1754197, 2150306, 2816598, 3225459, 3508394, 5262591, 6450918, 10525182, 33329743, 66659486, 99989229, 199978458]

約数ペア:

[(1, 199978458), (2, 99989229), (3, 66659486), (6, 33329743), (19, 10525182), (31, 6450918), (38, 5262591), (57, 3508394), (62, 3225459), (71, 2816598), (93, 2150306), (114, 1754197), (142, 1408299), (186, 1075153), (213, 938866), (426, 469433), (589, 339522), (797, 250914), (1178, 169761), (1349, 148242), (1594, 125457), (1767, 113174), (2201, 90858), (2391, 83638), (2698, 74121), (3534, 56587), (4047, 49414), (4402, 45429), (4782, 41819), (6603, 30286), (8094, 24707), (13206, 15143)]