778998272

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{117037}}^1$

素因数の和:117068

約数の個数: 40

約数和(自身を含む): 1676218236

約数和(自身を除く): 897219964

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 117037, 234074, 468148, 936296, 1521481, 1872592, 3042962, 3745184, 6085924, 7490368, 12171848, 14980736, 24343696, 29961472, 48687392, 59922944, 97374784, 194749568, 389499136, 778998272]

約数ペア:

[(1, 778998272), (2, 389499136), (4, 194749568), (8, 97374784), (13, 59922944), (16, 48687392), (26, 29961472), (32, 24343696), (52, 14980736), (64, 12171848), (104, 7490368), (128, 6085924), (208, 3745184), (256, 3042962), (416, 1872592), (512, 1521481), (832, 936296), (1664, 468148), (3328, 234074), (6656, 117037)]