12878384

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:557

約数の個数: 40

約数和(自身を含む): 26717040

約数和(自身を除く): 13838656

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 113, 136, 226, 272, 419, 452, 838, 904, 1676, 1808, 1921, 3352, 3842, 6704, 7123, 7684, 14246, 15368, 28492, 30736, 47347, 56984, 94694, 113968, 189388, 378776, 757552, 804899, 1609798, 3219596, 6439192, 12878384]

約数ペア:

[(1, 12878384), (2, 6439192), (4, 3219596), (8, 1609798), (16, 804899), (17, 757552), (34, 378776), (68, 189388), (113, 113968), (136, 94694), (226, 56984), (272, 47347), (419, 30736), (452, 28492), (838, 15368), (904, 14246), (1676, 7684), (1808, 7123), (1921, 6704), (3352, 3842)]