221545072

素因数分解:

$2^4\times 7^4\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:188

約数の個数: 100

約数和(自身を含む): 514039520

約数和(自身を除く): 292494448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 73, 79, 98, 112, 146, 158, 196, 292, 316, 343, 392, 511, 553, 584, 632, 686, 784, 1022, 1106, 1168, 1264, 1372, 2044, 2212, 2401, 2744, 3577, 3871, 4088, 4424, 4802, 5488, 5767, 7154, 7742, 8176, 8848, 9604, 11534, 14308, 15484, 19208, 23068, 25039, 27097, 28616, 30968, 38416, 40369, 46136, 50078, 54194, 57232, 61936, 80738, 92272, 100156, 108388, 161476, 175273, 189679, 200312, 216776, 282583, 322952, 350546, 379358, 400624, 433552, 565166, 645904, 701092, 758716, 1130332, 1402184, 1517432, 1978081, 2260664, 2804368, 3034864, 3956162, 4521328, 7912324, 13846567, 15824648, 27693134, 31649296, 55386268, 110772536, 221545072]

約数ペア:

[(1, 221545072), (2, 110772536), (4, 55386268), (7, 31649296), (8, 27693134), (14, 15824648), (16, 13846567), (28, 7912324), (49, 4521328), (56, 3956162), (73, 3034864), (79, 2804368), (98, 2260664), (112, 1978081), (146, 1517432), (158, 1402184), (196, 1130332), (292, 758716), (316, 701092), (343, 645904), (392, 565166), (511, 433552), (553, 400624), (584, 379358), (632, 350546), (686, 322952), (784, 282583), (1022, 216776), (1106, 200312), (1168, 189679), (1264, 175273), (1372, 161476), (2044, 108388), (2212, 100156), (2401, 92272), (2744, 80738), (3577, 61936), (3871, 57232), (4088, 54194), (4424, 50078), (4802, 46136), (5488, 40369), (5767, 38416), (7154, 30968), (7742, 28616), (8176, 27097), (8848, 25039), (9604, 23068), (11534, 19208), (14308, 15484)]