197909478

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:183

約数の個数: 144

約数和(自身を含む): 508725360

約数和(自身を除く): 310815882

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 43, 51, 78, 86, 89, 102, 117, 129, 153, 169, 178, 221, 234, 258, 267, 306, 338, 387, 442, 507, 534, 559, 663, 731, 774, 801, 1014, 1118, 1157, 1326, 1462, 1513, 1521, 1602, 1677, 1989, 2193, 2314, 2873, 3026, 3042, 3354, 3471, 3827, 3978, 4386, 4539, 5031, 5746, 6579, 6942, 7267, 7654, 8619, 9078, 9503, 10062, 10413, 11481, 13158, 13617, 14534, 15041, 17238, 19006, 19669, 20826, 21801, 22962, 25857, 27234, 28509, 30082, 34443, 39338, 43602, 45123, 49751, 51714, 57018, 59007, 65059, 65403, 68886, 85527, 90246, 99502, 118014, 123539, 130118, 130806, 135369, 149253, 171054, 177021, 195177, 247078, 255697, 270738, 298506, 354042, 370617, 390354, 447759, 511394, 585531, 646763, 741234, 767091, 845767, 895518, 1111851, 1171062, 1293526, 1534182, 1691534, 1940289, 2223702, 2301273, 2537301, 3880578, 4602546, 5074602, 5820867, 7611903, 10994971, 11641734, 15223806, 21989942, 32984913, 65969826, 98954739, 197909478]

約数ペア:

[(1, 197909478), (2, 98954739), (3, 65969826), (6, 32984913), (9, 21989942), (13, 15223806), (17, 11641734), (18, 10994971), (26, 7611903), (34, 5820867), (39, 5074602), (43, 4602546), (51, 3880578), (78, 2537301), (86, 2301273), (89, 2223702), (102, 1940289), (117, 1691534), (129, 1534182), (153, 1293526), (169, 1171062), (178, 1111851), (221, 895518), (234, 845767), (258, 767091), (267, 741234), (306, 646763), (338, 585531), (387, 511394), (442, 447759), (507, 390354), (534, 370617), (559, 354042), (663, 298506), (731, 270738), (774, 255697), (801, 247078), (1014, 195177), (1118, 177021), (1157, 171054), (1326, 149253), (1462, 135369), (1513, 130806), (1521, 130118), (1602, 123539), (1677, 118014), (1989, 99502), (2193, 90246), (2314, 85527), (2873, 68886), (3026, 65403), (3042, 65059), (3354, 59007), (3471, 57018), (3827, 51714), (3978, 49751), (4386, 45123), (4539, 43602), (5031, 39338), (5746, 34443), (6579, 30082), (6942, 28509), (7267, 27234), (7654, 25857), (8619, 22962), (9078, 21801), (9503, 20826), (10062, 19669), (10413, 19006), (11481, 17238), (13158, 15041), (13617, 14534)]