12491264

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:836

約数の個数: 40

約数和(自身を含む): 25795968

約数和(自身を除く): 13304704

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 787, 992, 1574, 1984, 3148, 3968, 6296, 7936, 12592, 15872, 24397, 25184, 48794, 50368, 97588, 100736, 195176, 201472, 390352, 402944, 780704, 1561408, 3122816, 6245632, 12491264]

約数ペア:

[(1, 12491264), (2, 6245632), (4, 3122816), (8, 1561408), (16, 780704), (31, 402944), (32, 390352), (62, 201472), (64, 195176), (124, 100736), (128, 97588), (248, 50368), (256, 48794), (496, 25184), (512, 24397), (787, 15872), (992, 12592), (1574, 7936), (1984, 6296), (3148, 3968)]