397223008

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^2\times {\mathrm{1499}}^1$

素因数の和:1549

約数の個数: 108

約数和(自身を含む): 985729500

約数和(自身を除く): 588506492

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 169, 182, 196, 208, 224, 338, 364, 392, 416, 637, 676, 728, 784, 1183, 1274, 1352, 1456, 1499, 1568, 2366, 2548, 2704, 2912, 2998, 4732, 5096, 5408, 5996, 8281, 9464, 10192, 10493, 11992, 16562, 18928, 19487, 20384, 20986, 23984, 33124, 37856, 38974, 41972, 47968, 66248, 73451, 77948, 83944, 132496, 136409, 146902, 155896, 167888, 253331, 264992, 272818, 293804, 311792, 335776, 506662, 545636, 587608, 623584, 954863, 1013324, 1091272, 1175216, 1773317, 1909726, 2026648, 2182544, 2350432, 3546634, 3819452, 4053296, 4365088, 7093268, 7638904, 8106592, 12413219, 14186536, 15277808, 24826438, 28373072, 30555616, 49652876, 56746144, 99305752, 198611504, 397223008]

約数ペア:

[(1, 397223008), (2, 198611504), (4, 99305752), (7, 56746144), (8, 49652876), (13, 30555616), (14, 28373072), (16, 24826438), (26, 15277808), (28, 14186536), (32, 12413219), (49, 8106592), (52, 7638904), (56, 7093268), (91, 4365088), (98, 4053296), (104, 3819452), (112, 3546634), (169, 2350432), (182, 2182544), (196, 2026648), (208, 1909726), (224, 1773317), (338, 1175216), (364, 1091272), (392, 1013324), (416, 954863), (637, 623584), (676, 587608), (728, 545636), (784, 506662), (1183, 335776), (1274, 311792), (1352, 293804), (1456, 272818), (1499, 264992), (1568, 253331), (2366, 167888), (2548, 155896), (2704, 146902), (2912, 136409), (2998, 132496), (4732, 83944), (5096, 77948), (5408, 73451), (5996, 66248), (8281, 47968), (9464, 41972), (10192, 38974), (10493, 37856), (11992, 33124), (16562, 23984), (18928, 20986), (19487, 20384)]