8421728

素因数分解:

$2^5\times 7^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:196

約数の個数: 72

約数和(自身を含む): 19908504

約数和(自身を除く): 11486776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 49, 56, 82, 98, 112, 131, 164, 196, 224, 262, 287, 328, 392, 524, 574, 656, 784, 917, 1048, 1148, 1312, 1568, 1834, 2009, 2096, 2296, 3668, 4018, 4192, 4592, 5371, 6419, 7336, 8036, 9184, 10742, 12838, 14672, 16072, 21484, 25676, 29344, 32144, 37597, 42968, 51352, 64288, 75194, 85936, 102704, 150388, 171872, 205408, 263179, 300776, 526358, 601552, 1052716, 1203104, 2105432, 4210864, 8421728]

約数ペア:

[(1, 8421728), (2, 4210864), (4, 2105432), (7, 1203104), (8, 1052716), (14, 601552), (16, 526358), (28, 300776), (32, 263179), (41, 205408), (49, 171872), (56, 150388), (82, 102704), (98, 85936), (112, 75194), (131, 64288), (164, 51352), (196, 42968), (224, 37597), (262, 32144), (287, 29344), (328, 25676), (392, 21484), (524, 16072), (574, 14672), (656, 12838), (784, 10742), (917, 9184), (1048, 8036), (1148, 7336), (1312, 6419), (1568, 5371), (1834, 4592), (2009, 4192), (2096, 4018), (2296, 3668)]