28297048

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 60318720

約数和(自身を除く): 32021672

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 67, 104, 124, 131, 134, 248, 262, 268, 403, 524, 536, 806, 871, 1048, 1612, 1703, 1742, 2077, 3224, 3406, 3484, 4061, 4154, 6812, 6968, 8122, 8308, 8777, 13624, 16244, 16616, 17554, 27001, 32488, 35108, 52793, 54002, 70216, 105586, 108004, 114101, 211172, 216008, 228202, 272087, 422344, 456404, 544174, 912808, 1088348, 2176696, 3537131, 7074262, 14148524, 28297048]

約数ペア:

[(1, 28297048), (2, 14148524), (4, 7074262), (8, 3537131), (13, 2176696), (26, 1088348), (31, 912808), (52, 544174), (62, 456404), (67, 422344), (104, 272087), (124, 228202), (131, 216008), (134, 211172), (248, 114101), (262, 108004), (268, 105586), (403, 70216), (524, 54002), (536, 52793), (806, 35108), (871, 32488), (1048, 27001), (1612, 17554), (1703, 16616), (1742, 16244), (2077, 13624), (3224, 8777), (3406, 8308), (3484, 8122), (4061, 6968), (4154, 6812)]