28807904

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:915

約数の個数: 48

約数和(自身を含む): 60328800

約数和(自身を除く): 31520896

約数列:

[1, 2, 4, 8, 16, 29, 32, 37, 58, 74, 116, 148, 232, 296, 464, 592, 839, 928, 1073, 1184, 1678, 2146, 3356, 4292, 6712, 8584, 13424, 17168, 24331, 26848, 31043, 34336, 48662, 62086, 97324, 124172, 194648, 248344, 389296, 496688, 778592, 900247, 993376, 1800494, 3600988, 7201976, 14403952, 28807904]

約数ペア:

[(1, 28807904), (2, 14403952), (4, 7201976), (8, 3600988), (16, 1800494), (29, 993376), (32, 900247), (37, 778592), (58, 496688), (74, 389296), (116, 248344), (148, 194648), (232, 124172), (296, 97324), (464, 62086), (592, 48662), (839, 34336), (928, 31043), (1073, 26848), (1184, 24331), (1678, 17168), (2146, 13424), (3356, 8584), (4292, 6712)]