28238504

素因数分解:

$2^3\times 7^3\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 63504000

約数和(自身を除く): 35265496

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 49, 56, 82, 98, 164, 196, 251, 287, 328, 343, 392, 502, 574, 686, 1004, 1148, 1372, 1757, 2008, 2009, 2296, 2744, 3514, 4018, 7028, 8036, 10291, 12299, 14056, 14063, 16072, 20582, 24598, 28126, 41164, 49196, 56252, 72037, 82328, 86093, 98392, 112504, 144074, 172186, 288148, 344372, 504259, 576296, 688744, 1008518, 2017036, 3529813, 4034072, 7059626, 14119252, 28238504]

約数ペア:

[(1, 28238504), (2, 14119252), (4, 7059626), (7, 4034072), (8, 3529813), (14, 2017036), (28, 1008518), (41, 688744), (49, 576296), (56, 504259), (82, 344372), (98, 288148), (164, 172186), (196, 144074), (251, 112504), (287, 98392), (328, 86093), (343, 82328), (392, 72037), (502, 56252), (574, 49196), (686, 41164), (1004, 28126), (1148, 24598), (1372, 20582), (1757, 16072), (2008, 14063), (2009, 14056), (2296, 12299), (2744, 10291), (3514, 8036), (4018, 7028)]