647878056

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:639

約数の個数: 128

約数和(自身を含む): 1898726400

約数和(自身を除く): 1250848344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 59, 84, 118, 163, 168, 177, 236, 326, 354, 401, 413, 472, 489, 652, 708, 802, 826, 978, 1141, 1203, 1239, 1304, 1416, 1604, 1652, 1956, 2282, 2406, 2478, 2807, 3208, 3304, 3423, 3912, 4564, 4812, 4956, 5614, 6846, 8421, 9128, 9617, 9624, 9912, 11228, 13692, 16842, 19234, 22456, 23659, 27384, 28851, 33684, 38468, 47318, 57702, 65363, 67319, 67368, 70977, 76936, 94636, 115404, 130726, 134638, 141954, 165613, 189272, 196089, 201957, 230808, 261452, 269276, 283908, 331226, 392178, 403914, 457541, 496839, 522904, 538552, 567816, 662452, 784356, 807828, 915082, 993678, 1324904, 1372623, 1568712, 1615656, 1830164, 1987356, 2745246, 3660328, 3856417, 3974712, 5490492, 7712834, 10980984, 11569251, 15425668, 23138502, 26994919, 30851336, 46277004, 53989838, 80984757, 92554008, 107979676, 161969514, 215959352, 323939028, 647878056]

約数ペア:

[(1, 647878056), (2, 323939028), (3, 215959352), (4, 161969514), (6, 107979676), (7, 92554008), (8, 80984757), (12, 53989838), (14, 46277004), (21, 30851336), (24, 26994919), (28, 23138502), (42, 15425668), (56, 11569251), (59, 10980984), (84, 7712834), (118, 5490492), (163, 3974712), (168, 3856417), (177, 3660328), (236, 2745246), (326, 1987356), (354, 1830164), (401, 1615656), (413, 1568712), (472, 1372623), (489, 1324904), (652, 993678), (708, 915082), (802, 807828), (826, 784356), (978, 662452), (1141, 567816), (1203, 538552), (1239, 522904), (1304, 496839), (1416, 457541), (1604, 403914), (1652, 392178), (1956, 331226), (2282, 283908), (2406, 269276), (2478, 261452), (2807, 230808), (3208, 201957), (3304, 196089), (3423, 189272), (3912, 165613), (4564, 141954), (4812, 134638), (4956, 130726), (5614, 115404), (6846, 94636), (8421, 76936), (9128, 70977), (9617, 67368), (9624, 67319), (9912, 65363), (11228, 57702), (13692, 47318), (16842, 38468), (19234, 33684), (22456, 28851), (23659, 27384)]