198718128

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{28163}}^1$

素因数の和:28191

約数の個数: 90

約数和(自身を含む): 646955244

約数和(自身を除く): 448237116

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 3528, 7056, 28163, 56326, 84489, 112652, 168978, 197141, 225304, 253467, 337956, 394282, 450608, 506934, 591423, 675912, 788564, 1013868, 1182846, 1351824, 1379987, 1577128, 1774269, 2027736, 2365692, 2759974, 3154256, 3548538, 4055472, 4139961, 4731384, 5519948, 7097076, 8279922, 9462768, 11039896, 12419883, 14194152, 16559844, 22079792, 24839766, 28388304, 33119688, 49679532, 66239376, 99359064, 198718128]

約数ペア:

[(1, 198718128), (2, 99359064), (3, 66239376), (4, 49679532), (6, 33119688), (7, 28388304), (8, 24839766), (9, 22079792), (12, 16559844), (14, 14194152), (16, 12419883), (18, 11039896), (21, 9462768), (24, 8279922), (28, 7097076), (36, 5519948), (42, 4731384), (48, 4139961), (49, 4055472), (56, 3548538), (63, 3154256), (72, 2759974), (84, 2365692), (98, 2027736), (112, 1774269), (126, 1577128), (144, 1379987), (147, 1351824), (168, 1182846), (196, 1013868), (252, 788564), (294, 675912), (336, 591423), (392, 506934), (441, 450608), (504, 394282), (588, 337956), (784, 253467), (882, 225304), (1008, 197141), (1176, 168978), (1764, 112652), (2352, 84489), (3528, 56326), (7056, 28163)]