28009926

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 73322496

約数和(自身を除く): 45312570

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 71, 93, 101, 126, 142, 186, 202, 213, 217, 279, 303, 426, 434, 497, 558, 606, 639, 651, 707, 909, 994, 1278, 1302, 1414, 1491, 1818, 1953, 2121, 2201, 2982, 3131, 3906, 4242, 4402, 4473, 6262, 6363, 6603, 7171, 8946, 9393, 12726, 13206, 14342, 15407, 18786, 19809, 21513, 21917, 28179, 30814, 39618, 43026, 43834, 46221, 50197, 56358, 64539, 65751, 92442, 100394, 129078, 131502, 138663, 150591, 197253, 222301, 277326, 301182, 394506, 444602, 451773, 666903, 903546, 1333806, 1556107, 2000709, 3112214, 4001418, 4668321, 9336642, 14004963, 28009926]

約数ペア:

[(1, 28009926), (2, 14004963), (3, 9336642), (6, 4668321), (7, 4001418), (9, 3112214), (14, 2000709), (18, 1556107), (21, 1333806), (31, 903546), (42, 666903), (62, 451773), (63, 444602), (71, 394506), (93, 301182), (101, 277326), (126, 222301), (142, 197253), (186, 150591), (202, 138663), (213, 131502), (217, 129078), (279, 100394), (303, 92442), (426, 65751), (434, 64539), (497, 56358), (558, 50197), (606, 46221), (639, 43834), (651, 43026), (707, 39618), (909, 30814), (994, 28179), (1278, 21917), (1302, 21513), (1414, 19809), (1491, 18786), (1818, 15407), (1953, 14342), (2121, 13206), (2201, 12726), (2982, 9393), (3131, 8946), (3906, 7171), (4242, 6603), (4402, 6363), (4473, 6262)]