978808532

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1\times {\mathrm{709}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 1870310400

約数和(自身を除く): 891501868

約数列:

[1, 2, 4, 13, 26, 52, 139, 191, 278, 382, 556, 709, 764, 1418, 1807, 2483, 2836, 3614, 4966, 7228, 9217, 9932, 18434, 26549, 36868, 53098, 98551, 106196, 135419, 197102, 270838, 345137, 394204, 541676, 690274, 1281163, 1380548, 1760447, 2562326, 3520894, 5124652, 7041788, 18823241, 37646482, 75292964, 244702133, 489404266, 978808532]

約数ペア:

[(1, 978808532), (2, 489404266), (4, 244702133), (13, 75292964), (26, 37646482), (52, 18823241), (139, 7041788), (191, 5124652), (278, 3520894), (382, 2562326), (556, 1760447), (709, 1380548), (764, 1281163), (1418, 690274), (1807, 541676), (2483, 394204), (2836, 345137), (3614, 270838), (4966, 197102), (7228, 135419), (9217, 106196), (9932, 98551), (18434, 53098), (26549, 36868)]