15538688

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 80

約数和(自身を含む): 35354880

約数和(自身を除く): 19816192

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 89, 124, 128, 176, 178, 248, 256, 341, 352, 356, 496, 512, 682, 704, 712, 979, 992, 1364, 1408, 1424, 1958, 1984, 2728, 2759, 2816, 2848, 3916, 3968, 5456, 5518, 5632, 5696, 7832, 7936, 10912, 11036, 11392, 15664, 15872, 21824, 22072, 22784, 30349, 31328, 43648, 44144, 45568, 60698, 62656, 87296, 88288, 121396, 125312, 174592, 176576, 242792, 250624, 353152, 485584, 501248, 706304, 971168, 1412608, 1942336, 3884672, 7769344, 15538688]

約数ペア:

[(1, 15538688), (2, 7769344), (4, 3884672), (8, 1942336), (11, 1412608), (16, 971168), (22, 706304), (31, 501248), (32, 485584), (44, 353152), (62, 250624), (64, 242792), (88, 176576), (89, 174592), (124, 125312), (128, 121396), (176, 88288), (178, 87296), (248, 62656), (256, 60698), (341, 45568), (352, 44144), (356, 43648), (496, 31328), (512, 30349), (682, 22784), (704, 22072), (712, 21824), (979, 15872), (992, 15664), (1364, 11392), (1408, 11036), (1424, 10912), (1958, 7936), (1984, 7832), (2728, 5696), (2759, 5632), (2816, 5518), (2848, 5456), (3916, 3968)]