28535836

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 61535376

約数和(自身を除く): 32999540

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 53, 67, 82, 98, 106, 134, 164, 196, 212, 268, 287, 371, 469, 574, 742, 938, 1148, 1484, 1876, 2009, 2173, 2597, 2747, 3283, 3551, 4018, 4346, 5194, 5494, 6566, 7102, 8036, 8692, 10388, 10988, 13132, 14204, 15211, 19229, 24857, 30422, 38458, 49714, 60844, 76916, 99428, 106477, 134603, 145591, 173999, 212954, 269206, 291182, 347998, 425908, 538412, 582364, 695996, 1019137, 2038274, 4076548, 7133959, 14267918, 28535836]

約数ペア:

[(1, 28535836), (2, 14267918), (4, 7133959), (7, 4076548), (14, 2038274), (28, 1019137), (41, 695996), (49, 582364), (53, 538412), (67, 425908), (82, 347998), (98, 291182), (106, 269206), (134, 212954), (164, 173999), (196, 145591), (212, 134603), (268, 106477), (287, 99428), (371, 76916), (469, 60844), (574, 49714), (742, 38458), (938, 30422), (1148, 24857), (1484, 19229), (1876, 15211), (2009, 14204), (2173, 13132), (2597, 10988), (2747, 10388), (3283, 8692), (3551, 8036), (4018, 7102), (4346, 6566), (5194, 5494)]