28119912

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 72817920

約数和(自身を除く): 44698008

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 97, 141, 188, 194, 257, 282, 291, 376, 388, 514, 564, 582, 771, 776, 1028, 1128, 1164, 1542, 2056, 2328, 3084, 4559, 6168, 9118, 12079, 13677, 18236, 24158, 24929, 27354, 36237, 36472, 48316, 49858, 54708, 72474, 74787, 96632, 99716, 109416, 144948, 149574, 199432, 289896, 299148, 598296, 1171663, 2343326, 3514989, 4686652, 7029978, 9373304, 14059956, 28119912]

約数ペア:

[(1, 28119912), (2, 14059956), (3, 9373304), (4, 7029978), (6, 4686652), (8, 3514989), (12, 2343326), (24, 1171663), (47, 598296), (94, 299148), (97, 289896), (141, 199432), (188, 149574), (194, 144948), (257, 109416), (282, 99716), (291, 96632), (376, 74787), (388, 72474), (514, 54708), (564, 49858), (582, 48316), (771, 36472), (776, 36237), (1028, 27354), (1128, 24929), (1164, 24158), (1542, 18236), (2056, 13677), (2328, 12079), (3084, 9118), (4559, 6168)]